US2589014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Focusing view finder system
Assignee: Eastman Kodak Co
•
Filing: 1951-02-14
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Granted: 1952-03-11
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Expires: 1971-02-14
Abstract
No abstract record available.
Inventors
- 👤 John H Mcleod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:33
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; B07B1/48; B07B1/485; G; G02; G02B; G02B23/00; G02B23/14; G02B27/00; G02B27/40; G03; G03B; G03B13/00; G03B13/18; G03B13/24
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) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |