US3519183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single capstan magnetic tape transport
Assignee: Potter Instrument Co Inc
•
Filing: 1968-10-07
•
Granted: 1970-07-07
•
Expires: 1988-10-07
Abstract
No abstract record available.
Inventors
- 👤 Joel H Levine
- 👤 Robert E Schoeneman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:48
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/46; G11B15/20; H; H02; H02K; H02K21/00; H02K21/12; H02K21/14; H02K21/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3389843A
Cited
US3425613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |