US2954940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Limit switch for tape recorders
Assignee: Individual
•
Filing: 1959-02-12
•
Granted: 1960-10-04
•
Expires: 1979-02-12
Abstract
No abstract record available.
Inventors
- 👤 Adolf L Herrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:55
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/05; G11B15/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1124879A
Cited
US2227303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |