Patent US3087399A successfully refreshed from Google Patents.
US3087399A
Expired / Lapsed
US
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Photographic apparatus
Assignee: Polaroid Corp
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Filing: 1960-04-29
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Granted: 1963-04-30
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Expires: 1980-04-29
Abstract
No abstract record available.
Inventors
- 👤 Murry N Fairbank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:39
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/52; G03B1/00; G03B1/60; G03B1/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN PHOTOGRAPHIC APPARATUS ADAPTED TO PERMIT PHOGRAPHIC SHEET MATERIAL TO PASS THERETHROUGH, MEANS FOR CONTROLLING THE MOVEMENT OF SAID SHEET MATERIAL COMPRISING, IN COMBINATION: STOP MEANS ADAPTED TO ENGAGE THE SHEET MATERIAL FOR ARRESTING ITS MOVEMENT THROUGH SAID APPARATUS; MOVABLE CONTROL MEANS WHICH IN A FIRST POSITION IS ADAPTED TO HOLD THE SHEET MATERIAL AWAY FROM THE STOP MEANS TO PREVENT ENGAGEMENT THEREBY, SAID MOVABLE CONTROL MEANS BEING ADAPTED FOR MOVEMENT INTO A SECOND POSITION BY FRICTIONAL ENGAGEMENT OF A PORTION THEREOF WITH THE SHEET MATERIAL WHEN IT MOVES THROUGH THE PHOTOGRAPHIC APPARATUS, SAID CONTROL MEANS WHEN IN SAID SECOND POSITION PERMITTING ENGAGEMENT OF THE SHEET MA-
Claim 2
Dependent Claim
107 words
IN PHOTOGRAPHIC APPARATUS ADAPTED TO PERMIT PHOGRAPHIC SHEET MATERIAL TO PASS THERETHROUGH, MEANS FOR CONTROLLING THE MOVEMENT OF SAID SHEET MATERIAL COMPRISING, IN COMBINATION: STOP MEANS ADAPTED TO ENGAGE THE SHEET MATERIAL FOR ARRESTING ITS MOVEMENT THROUGH SAID APPARATUS; MOVABLE CONTROL MEANS WHICH IN A FIRST POSITION IS ADAPTED TO HOLD THE SHEET MATERIAL AWAY FROM THE STOP MEANS TO PREVENT ENGAGEMENT THEREBY, SAID MOVABLE CONTROL MEANS BEING ADAPTED FOR MOVEMENT INTO A SECOND POSITION BY FRICTIONAL ENGAGEMENT OF A PORTION THEREOF WITH THE SHEET MATERIAL WHEN IT MOVES THROUGH THE PHOTOGRAPHIC APPARATUS, SAID CONTROL MEANS WHEN IN SAID SECOND POSITION PERMITTING ENGAGEMENT OF THE SHEET MA-
References Cited (Backward Citations)
US2935004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |