Patent US2834889A successfully refreshed from Google Patents.
US2834889A
Expired / Lapsed
US
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Electronic camera
Assignee: JULIUS CATO VREDENBURG INGLESB
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Filing: 1953-06-08
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Granted: 1958-05-13
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Expires: 1973-06-08
Abstract
No abstract record available.
Inventors
- 👤 Fries Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:54
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/50; G; G03; G03G; G03G17/00; H01J2231/00; H01J2231/50; H01J2231/50005; H01J2231/5001; H01J2231/505; H01J2231/5056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US687592A
Cited
US1471357A
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US2129959A
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US2206387A
Cited
US2351889A
Cited
US2549546A
Cited
US2593088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |