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Patent US3132573A successfully refreshed from Google Patents.
US3132573A
Expired / Lapsed
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Light-lock and severing mechanism
Assignee: Eastman Kodak Co
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Filing: 1961-04-13
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Granted: 1964-05-12
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Expires: 1981-04-13
Abstract
No abstract record available.
Inventors
- 👤 David L Champlin
- 👤 John S Pollock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:04
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/04; G03D15/043; G03D15/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN A LIGHT-LOCK AND SEVERING MECHANISM FOR ISOLATING ADJACENT CHAMBERS HAVING A COMMON PARTITION AND SEVERING A LIGHT-SENSITIVE WEB TRANSPORTED FROM ONE CHAMBER THROUGH AN OPENING IN THE PARTITION TO THE OTHER CHAMBER, THE COMBINATION COMPIRSING: LIGHT-LOCK MEANS INCLUDING A PORTION THEREOF MOVABLE FROM A NORMAL OPEN POSITION IN WHICH SAID PARTITION OPENING IS UNOBSTRUCTED TO A CLOSED POSITION IN WHICH SAID OPENING IS CLOSED; CUTTING MEANS INCLUDING A BLADE MOVABLE BETWEEN NON-CUTTING
Claim 2
Dependent Claim
73 words
IN A LIGHT-LOCK AND SEVERING MECHANISM FOR ISOLATING ADJACENT CHAMBERS HAVING A COMMON PARTITION AND SEVERING A LIGHT-SENSITIVE WEB TRANSPORTED FROM ONE CHAMBER THROUGH AN OPENING IN THE PARTITION TO THE OTHER CHAMBER, THE COMBINATION COMPIRSING: LIGHT-LOCK MEANS INCLUDING A PORTION THEREOF MOVABLE FROM A NORMAL OPEN POSITION IN WHICH SAID PARTITION OPENING IS UNOBSTRUCTED TO A CLOSED POSITION IN WHICH SAID OPENING IS CLOSED; CUTTING MEANS INCLUDING A BLADE MOVABLE BETWEEN NON-CUTTING
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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |