Patent US2643017A successfully refreshed from Google Patents.
US2643017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic slide binder
Assignee: Individual
•
Filing: 1950-02-18
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Granted: 1953-06-23
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Expires: 1970-02-18
Abstract
No abstract record available.
Inventors
- 👤 George W Mack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:47
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1588037A
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US1929137A
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US2219678A
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US2222611A
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US2165540A
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US2350281A
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US2299266A
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US2481704A
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US2574332A
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US2507446A
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US2496406A
Cited
US2528754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |