US2945692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for providing intimate contact between a surface and tape in tape recorder devices and the like
Assignee: SPEIDEL Corp
•
Filing: 1957-08-16
•
Granted: 1960-07-19
•
Expires: 1977-08-16
Abstract
No abstract record available.
Inventors
- 👤 Paul F Maeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:19
CPC Classifications
G; G11; G11B; G11B5/00; G11B2005/0002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2240542A
Cited
US2197662A
Cited
US2746749A
Cited
US2755086A
Cited
US2848221A
Cited
US2871502A
Cited
US2831678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |