US3499998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic transducing apparatus having transducer-engaging drive capstan with elastic tire
Assignee: Panasonic Holdings Corp
•
Filing: 1967-09-22
•
Granted: 1970-03-10
•
Expires: 1987-09-22
Abstract
No abstract record available.
Inventors
- 👤 Shizuhiko Tanigawa
- 👤 Toshio Shimizu
- 👤 Mitsuru Ieki
- 👤 Yutaka Higashida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:12
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60; G11B15/62; G11B15/18; G11B15/26; G11B15/28; G11B15/61
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2535480A
Cited
US2466030A
Cited
US2735899A
Cited
US2819349A
Cited
US2862845A
Cited
US3069815A
Cited
US2998906A
Cited
US3157868A
Cited
US3218440A
Cited
US3381965A
Cited
US3402868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |