Patent US2900514A successfully refreshed from Google Patents.
US2900514A
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US
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Daylight film loading and developing apparatus
Assignee: Individual
•
Filing: 1955-05-18
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Granted: 1959-08-18
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Expires: 1975-05-18
Abstract
No abstract record available.
Inventors
- 👤 Cormack E Boucher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:37
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02; G03D13/04; G03D13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US604455A
Cited
US1086555A
Cited
US1246566A
Cited
US1393108A
Cited
US1507727A
Cited
US1766297A
Cited
US2027642A
Cited
GB502014A
Cited
US2312502A
Cited
US2239196A
Cited
US2286010A
Cited
US2297847A
Cited
US2344710A
Cited
US2351877A
Cited
US2371843A
Cited
US2353769A
Cited
US2476767A
Cited
US2617944A
Cited
US2629303A
Cited
US2679009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |