US2851676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving apparatus for recording tapes
Assignee: Metropolitan Vickers Electrical Co Ltd
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Filing: 1957-02-27
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Granted: 1958-09-09
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Expires: 1977-02-27
Abstract
No abstract record available.
Inventors
- 👤 Woodcock Raymond
- 👤 Taylor James Hargreav Woodcock
- 👤 Gladman John Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:42
CPC Classifications
H; H04; H04L; H04L13/00; H04L13/02; H04L13/06; G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/50; G06; G06K; G06K13/00; G06K13/18; G06K13/20; G06K13/22; G11; G11B; G11B15/00; G11B15/18; G11B15/20; G11B15/26; G11B15/34
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) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |