US2443159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shutter dust cover
Assignee: Eastman Kodak Co
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Filing: 1946-08-07
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Granted: 1948-06-08
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Expires: 1966-08-07
Abstract
No abstract record available.
Inventors
- 👤 Carl C Fuerst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:19
CPC Classifications
G; G03; G03B; G03B9/00; G03B9/58; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/2093
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) | 1951-06-08 | 1951-12-08 | 1952-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-08 | 1955-12-08 | 1956-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-08 | 1959-12-08 | 1960-06-08 | $7700.00 | Window Closed / Lapsed |