Patent US2633355A successfully refreshed from Google Patents.
US2633355A
Expired / Lapsed
US
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Strip feeding mechanism for photographic copying apparatus
Assignee: COLOR RES Inc
•
Filing: 1948-07-06
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Granted: 1953-03-31
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Expires: 1968-07-06
Abstract
No abstract record available.
Inventors
- 👤 Richard F Wills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:29
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US889746A
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US1115828A
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US1235805A
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US1460206A
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US1802530A
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US1822902A
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US1836691A
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US2428681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |