Abstract

A display apparatus is disclosed that includes a screen and a frame system positioned to support the screen. The frame system includes a plurality of frame members, a hinge that couples the frame members together, and a lock that blocks relative movement of the frame …

Legal parties

Party
Inventors (applicants): Shannon O. Redmon
Assignees (initial): Draper, Inc. (Spiceland, US)
Agents: Faegre Baker Daniels LLP (attorney)

The application was examined by Charles A Fox (USPTO dept. 3638), Shin Kim

Claims

  • 1. A display apparatus including: …
  • 2. The apparatus of claim 1 , wherein the lock includes first and second lock …
  • 3. The apparatus of claim 2 , wherein the second lock member is positioned completely …

Cited documents

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Brief Description of the Drawings

A detailed description particularly refers to the accompanying figures in which: FIG. 1 is a rear perspective view of a projection screen apparatus showing the projection screen apparatus including a frame …

Description

Background and Summary of the Invention

The present invention relates to projection screens. More particularly, the present invention relates to tensioned projection screens. According to one aspect of the present invention, a display apparatus is provided …

Other Patent Relations

This application is a continuation of U.S. patent application Ser. No. 13/245,417, now U.S. Pat. No. 8,365,450, titled Lock for Frame, to Shanon O. Redmon, filed Sep. 26, 2011 …

Detailed Description of the Drawings

According to the present disclosure, a display or projection screen apparatus system 10 is provided to display images projected by a projector (not shown). Typically, projection screen apparatus 10 is supported …

More details about Lock for Frame

Miscellaneous patent data

Invented by Shannon O. Redmon, the assignee location is Spiceland (US); its organization is Draper, Inc., the invention is named Lock for Frame, the application publication date is Feb. 4, 2013, the grant publication date is Jul. 15, 2014, categorized under Collapsible as a primary classification, similar patents are classified under Letters, numerals, or other symbols, adapted for permanent fixing to a support, Portable sample cases, Sky-writing, Cards of samples, Books of samples, the advertising matter being towed by the aircraft, Disk, Trailer, wagon or cycle carried, Rotatable, Hinged leave, Illuminated, the application number is 13/758,377 (U.S.), the grant number is 08776416 (publication number), the exemplary patent drawings are Perspective view of a portion, Rear perspective view of a projection, Lock for Frame, Rear exploded perspective view of the projection, the assignee classification - a United States company, the claim 1 is exemplary as chosen by the examiner, the protection scope is defined by 27 claims, the invention description is illustrated by 8 drawings, the published agent's company name - Faegre Baker Daniels LLP, the patent particularly claims a display apparatus including…, the known inventor's name is Redmon Shannon O., the inventor's location - Greenfield, IN, explained by 11 figures, was examined by Charles A Fox, the main examiner, Shin Kim, the assistant (3638 USPTO department).

Invention classification information

The invention is classified under Portable, Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like, Collapsible, Cardboard or like show-cards of foldable or flexible material. The designated search classifications include Collapsible, Spring projected, Sliding, Highway or street marker, Rigid, Sliding release means or lever-actuated sliding catch, Operating means, Operating means, At least two legs form unitary structure, Knockdown, Pneumatic, Telescoping or knockdown post, Rigid, Folding, Spring projected, Intermediately pivoted sections.

Patent details
Publication number 08776416
Publication date Jul. 15, 2014
Kind code B1
Application number 13/758,377
Application date Feb. 4, 2013
Application type U
Application series code 13
National classification 40/610
Total number of claims 27
Exemplary claims 1
Number of drawings 8
Number of figures 11
Terminal disclaimer
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