US2839602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for recording pictures
Assignee: JULIUS CATO VREDENBURG INGLESB
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Filing: 1951-10-09
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Granted: 1958-06-17
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Expires: 1971-10-09
Abstract
No abstract record available.
Inventors
- 👤 Fries Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:03
CPC Classifications
G; G03; G03G; G03G17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1870975A
Cited
US2036532A
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US2241432A
Cited
US2254617A
Cited
US2292111A
Cited
DE873256C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |