US3270653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite photographic film roll
Assignee: Polaroid Corp
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Filing: 1963-11-14
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Granted: 1966-09-06
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Expires: 1983-11-14
Abstract
No abstract record available.
Inventors
- 👤 Albert J Bachelder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:16
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/42; G03C8/50; G03B; G03B17/00; G03B17/28; G03B17/30; G03B17/32; G03B17/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A COMPOSITE PHOTOGRAPHIC PRODUCT ADAPTED TO BE EMPLOYED IN PHOTOGRAPHIC APPARATUS HAVING A PAIR OF PRESSURE-APPLYING MEMBERS, SAID PRODUCT COMPRISING, IN COMBINATION, FIRST AND SECOND STRIPS OF FLEXIBLE SHEET MATERIALS, MEANS FOR ADVANCING SAID FIRST AND SECOND STRIPS BETWEEN SAID PRESSURE-APPLYING MEMBERS IN SUPERPOSITION, SAID STRIPS BEING URGED BY SAID PRESSURE-APPLYING MEMBERS INTO FRICTIONAL ENGAGEMENT WITH ONE ANOTHER, AND MEANS ASSOCIATED WITH AT LEAST ONE OF SAID STRIPS AND MOVABLE THEREWITH TO A POSITION BETWEEN SAID MEMBERS, AND EFFECTIVE TO SEPARATE THE LATTER IN SUCH MANNER AS TO RELEASE SAID FRICTIONAL ENGAGEMENT DURING A PRESELECTED PORTION OF THE ADVANCEMENT OF SAID STRIPS, THE RELEASE OF SAID FRICTIONAL ENGAGEMENT ALLOWING ONE OF SAID STRIPS TO BE ADVANCED INDEPENDENTLY OF AT LEAST A PORTION OF THE OTHER OF SAID STRIPS.
Claim 2
Dependent Claim
128 words
A COMPOSITE PHOTOGRAPHIC PRODUCT ADAPTED TO BE EMPLOYED IN PHOTOGRAPHIC APPARATUS HAVING A PAIR OF PRESSURE-APPLYING MEMBERS, SAID PRODUCT COMPRISING, IN COMBINATION, FIRST AND SECOND STRIPS OF FLEXIBLE SHEET MATERIALS, MEANS FOR ADVANCING SAID FIRST AND SECOND STRIPS BETWEEN SAID PRESSURE-APPLYING MEMBERS IN SUPERPOSITION, SAID STRIPS BEING URGED BY SAID PRESSURE-APPLYING MEMBERS INTO FRICTIONAL ENGAGEMENT WITH ONE ANOTHER, AND MEANS ASSOCIATED WITH AT LEAST ONE OF SAID STRIPS AND MOVABLE THEREWITH TO A POSITION BETWEEN SAID MEMBERS, AND EFFECTIVE TO SEPARATE THE LATTER IN SUCH MANNER AS TO RELEASE SAID FRICTIONAL ENGAGEMENT DURING A PRESELECTED PORTION OF THE ADVANCEMENT OF SAID STRIPS, THE RELEASE OF SAID FRICTIONAL ENGAGEMENT ALLOWING ONE OF SAID STRIPS TO BE ADVANCED INDEPENDENTLY OF AT LEAST A PORTION OF THE OTHER OF SAID STRIPS.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |