Patent US2637325A successfully refreshed from Google Patents.
US2637325A
Expired / Lapsed
US
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Duplex album leaf for photographic prints
Assignee: ERNESTINE MCCABE
•
Filing: 1950-08-18
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Granted: 1953-05-05
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Expires: 1970-08-18
Abstract
No abstract record available.
Inventors
- 👤 Walter A Mccabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:29
CPC Classifications
B; B42; B42F; B42F5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US912656A
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FR397035A
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US934333A
Cited
GB191226521A
Cited
US1680299A
Cited
US1832249A
Cited
GB500226A
Cited
US2247122A
Cited
US2152063A
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US2568178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |