Patent US2441104A successfully refreshed from Google Patents.
US2441104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lens mount locking ring
Assignee: Eastman Kodak Co
•
Filing: 1945-08-08
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Granted: 1948-05-04
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Expires: 1965-08-08
Abstract
No abstract record available.
Inventors
- 👤 Alvin E Schubert
- 👤 Jr George W Schnetzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:43
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/02; G02B7/026; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/209
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US590798A
Cited
US1151008A
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US1258621A
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US1848253A
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US1900020A
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US2083600A
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US2195184A
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US2377056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |