US2412673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary shutter driver
Assignee: Eastman Kodak Co
•
Filing: 1944-04-12
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Granted: 1946-12-17
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Expires: 1964-04-12
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:48
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/08; G03B9/10; G03B9/18; G03B9/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-12-16 | 1950-06-17 | 1950-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-12-16 | 1954-06-17 | 1954-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-12-16 | 1958-06-17 | 1958-12-17 | $7700.00 | Window Closed / Lapsed |