US3218921A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for presenting information
Assignee: Individual
•
Filing: 1963-03-12
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Granted: 1965-11-23
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Expires: 1983-03-12
Abstract
No abstract record available.
Inventors
- 👤 Kenneth D J Grosvenor
- 👤 Maurice M Levy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:18
CPC Classifications
G; G09; G09B; G09B5/00; G09B5/02; B; B07; B07C; B07C3/00; B07C3/20; G06; G06K; G06K17/00; G06K17/0016; G06K17/0019
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
APPARATUS FOR PRESENTING SUCCESSIVE TWO-IMAGE VISUAL DISPLAYS TO AN OPERATOR FOR SAID OPERATOR TO RESPOND TO ONE SAID IMAGE WHILE PREVIEWING THE OTHER SAID IMAGE PREPARTORY TO RESPONDING SUBSEQUENTLY TO SAID OTHER IMAGE IN A NEXT DISPLAY, SAID NEXT DISPLAY PRESENTING TO SAID OPERATOR SAID OTHER IMAGE AND A NEW IMAGE, SAID APPARATUS COMPRISING: (A) A FILM STRIP HAVING A PLURALITY OF SERIALLY ARRANGED FRAMES, (B) EACH SAID FRAME CONTAINING TWO SEPARATE DISCRETE AND DIFFERENT IMAGES, (C) A PROJECTOR FOR DISPLAYING SAID STRIP, SAID PROJECTOR INCLUDING (I) MEANS FOR DISPLAYING ONE FRAME IN ITE ENTIRETY AT ONE TIME WITH EACH IMAGE OF SAID ONE FRAME DISPLAYED DISCRETELY FROM THE OTHER IMAGE OF SAID ONE FRAME AND ADJACENT SUCH OTHER IMAGE, AND (II) MEANS RESPONSIVE TO AN INPUT SIGNAL FOR ADVANCING SAID FILM BY ONE FRAME UPON OCCURRENCE OF SAID INPUT SIGNAL FOR DISPLAYING A SECOND FRAME IN ITS ENTIRETY AT A SECOND TIME, UNTIL RECEIPT OF A FURTHER INPUT SIGNAL, (D) AND EACH FRAME HAVING ONE IMAGE IDENTICAL WITH AN IMAGE OF ONE ADJACENT FRAME AND A SECOND IMAGE IDENTICAL WITH AN IMAGE OF THE OTHER ADJACENT FRAME.
Claim 2
Dependent Claim
188 words
APPARATUS FOR PRESENTING SUCCESSIVE TWO-IMAGE VISUAL DISPLAYS TO AN OPERATOR FOR SAID OPERATOR TO RESPOND TO ONE SAID IMAGE WHILE PREVIEWING THE OTHER SAID IMAGE PREPARTORY TO RESPONDING SUBSEQUENTLY TO SAID OTHER IMAGE IN A NEXT DISPLAY, SAID NEXT DISPLAY PRESENTING TO SAID OPERATOR SAID OTHER IMAGE AND A NEW IMAGE, SAID APPARATUS COMPRISING: (A) A FILM STRIP HAVING A PLURALITY OF SERIALLY ARRANGED FRAMES, (B) EACH SAID FRAME CONTAINING TWO SEPARATE DISCRETE AND DIFFERENT IMAGES, (C) A PROJECTOR FOR DISPLAYING SAID STRIP, SAID PROJECTOR INCLUDING (I) MEANS FOR DISPLAYING ONE FRAME IN ITE ENTIRETY AT ONE TIME WITH EACH IMAGE OF SAID ONE FRAME DISPLAYED DISCRETELY FROM THE OTHER IMAGE OF SAID ONE FRAME AND ADJACENT SUCH OTHER IMAGE, AND (II) MEANS RESPONSIVE TO AN INPUT SIGNAL FOR ADVANCING SAID FILM BY ONE FRAME UPON OCCURRENCE OF SAID INPUT SIGNAL FOR DISPLAYING A SECOND FRAME IN ITS ENTIRETY AT A SECOND TIME, UNTIL RECEIPT OF A FURTHER INPUT SIGNAL, (D) AND EACH FRAME HAVING ONE IMAGE IDENTICAL WITH AN IMAGE OF ONE ADJACENT FRAME AND A SECOND IMAGE IDENTICAL WITH AN IMAGE OF THE OTHER ADJACENT FRAME.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |