US2855160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape recording machine
Assignee: Individual
•
Filing: 1953-07-20
•
Granted: 1958-10-07
•
Expires: 1973-07-20
Abstract
No abstract record available.
Inventors
- 👤 John O Fundingsland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:44
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/46; G11B15/50; G11B15/43; G11B15/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1862267A
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US1992706A
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US2215468A
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US2365691A
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US2447130A
Cited
US2500903A
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US2609998A
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US2610808A
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US2539858A
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US2625337A
Cited
US2660380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |