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Patent US2592239A successfully refreshed from Google Patents.
US2592239A
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US
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Cover locking mechanism
Assignee: Eastman Kodak Co
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Filing: 1948-04-07
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Granted: 1952-04-08
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Expires: 1968-04-07
Abstract
No abstract record available.
Inventors
- 👤 Morris E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:39
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/04; Y; Y10; Y10S; Y10S292/00; Y10S292/48; Y10S292/60; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/1041; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1085
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) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |