Patent US3588557A successfully refreshed from Google Patents.
Patent US2835177A successfully refreshed from Google Patents.
US2835177A
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Sheet-arresting mechanism for photographic apparatus
Assignee: Polaroid Corp
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Filing: 1953-12-29
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Granted: 1958-05-20
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Expires: 1973-12-29
Abstract
No abstract record available.
Inventors
- 👤 Donald R Bishop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:38
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1307386A
Cited
US1740279A
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US1183215A
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US1535930A
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US1828205A
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US1959922A
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US2543159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |