Patent US2510306A successfully refreshed from Google Patents.
US2510306A
Expired / Lapsed
US
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Camera equipped with sheet-severing and tab-forming mechanism
Assignee: Polaroid Corp
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Filing: 1947-12-04
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Granted: 1950-06-06
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Expires: 1967-12-04
Abstract
No abstract record available.
Inventors
- 👤 Albert J Bachelder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:27
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/52; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/238; Y10T225/239; Y10T225/297
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |