Patent US3128688A successfully refreshed from Google Patents.
US3128688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic background roller assembly
Assignee: Individual
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Filing: 1962-06-12
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Granted: 1964-04-14
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Expires: 1982-06-12
Abstract
No abstract record available.
Inventors
- 👤 Coda Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:09
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A PHOTOGRAPHIC BACKGROUND ROLLER ASSEMBLY FOR DISPLAYING PHOTOGRAPHIC BACKGROUNDS, SAID ROLLER ASSEMBLY COMPRISING A PAIR OF PARALLEL SPACED ROLLERS, MEANS CONNECTED WITH ONE OF SAID ROLLERS FOR DRIVING SAID ONE ROLLER, A DRIVING DISC ADAPTED TO ENGAGE SAID ROLLERS FOR TRANSMITTING ROTATION OF SAID ONE ROLLER TO THE OTHER ROLLER, MEANS CONNECTED TO SAID DRIVING DISC FOR MOVING IT INTO AND OUT OF ENGAGEMENT WITH SAID ROLLERS, AN ELONGATED SCREEN CONNECTED AT ONE END TO THE CIRCUMFERENTIAL SURFACE OF ONE OF SAID ROLLERS AND CONNECTED AT ITS OTHER END TO THE CIRCUMFERENTIAL SURFACE OF THE OTHER OF SAID ROLLERS WHEREBY SAID SCREEN MAY BE WOUND FROM ONE TO THE OTHER OF SAID ROLLERS AND VICE VERSA WHEN SAID ROLLERS ARE ROTATED, AND ROLLER MEANS LOOSELY SUPPORTED ON SAID SCREEN BETWEEN SAID ROLLERS AND ADAPTED TO ESTABLISH A LOOP IN SAID SCREEN IN A DIRECTION AWAY FROM SAID ROLLERS WHEN SAID DRIVING DISC IS DISENGAGED FROM SAID ROLLERS AND SAID ONE ROLLER IS ROTATED.
Claim 2
Dependent Claim
163 words
A PHOTOGRAPHIC BACKGROUND ROLLER ASSEMBLY FOR DISPLAYING PHOTOGRAPHIC BACKGROUNDS, SAID ROLLER ASSEMBLY COMPRISING A PAIR OF PARALLEL SPACED ROLLERS, MEANS CONNECTED WITH ONE OF SAID ROLLERS FOR DRIVING SAID ONE ROLLER, A DRIVING DISC ADAPTED TO ENGAGE SAID ROLLERS FOR TRANSMITTING ROTATION OF SAID ONE ROLLER TO THE OTHER ROLLER, MEANS CONNECTED TO SAID DRIVING DISC FOR MOVING IT INTO AND OUT OF ENGAGEMENT WITH SAID ROLLERS, AN ELONGATED SCREEN CONNECTED AT ONE END TO THE CIRCUMFERENTIAL SURFACE OF ONE OF SAID ROLLERS AND CONNECTED AT ITS OTHER END TO THE CIRCUMFERENTIAL SURFACE OF THE OTHER OF SAID ROLLERS WHEREBY SAID SCREEN MAY BE WOUND FROM ONE TO THE OTHER OF SAID ROLLERS AND VICE VERSA WHEN SAID ROLLERS ARE ROTATED, AND ROLLER MEANS LOOSELY SUPPORTED ON SAID SCREEN BETWEEN SAID ROLLERS AND ADAPTED TO ESTABLISH A LOOP IN SAID SCREEN IN A DIRECTION AWAY FROM SAID ROLLERS WHEN SAID DRIVING DISC IS DISENGAGED FROM SAID ROLLERS AND SAID ONE ROLLER IS ROTATED.
References Cited (Backward Citations)
US2281022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |