US2601955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic photographic and sound record apparatus
Assignee: Hartford National Bank and Trust Co
•
Filing: 1946-05-02
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Granted: 1952-07-01
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Expires: 1966-05-02
Abstract
No abstract record available.
Inventors
- 👤 Hardenberg Jan Jesa Christiaan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:39
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60; G11B15/66; G11B15/665; G03; G03B; G03B15/00; G03B15/08; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2501573A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |