US3472464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic reciprocating magnetic tape recording and reproducing apparatus
Assignee: Panasonic Holdings Corp
•
Filing: 1968-01-25
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Granted: 1969-10-14
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Expires: 1988-01-25
Abstract
No abstract record available.
Inventors
- 👤 Toshio Morimoto
- 👤 Yoshiaki Fukunaga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:00
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/28; G11B15/29; G11B15/22; G11B15/44; G11B15/444; G11B15/446; G11B15/448; G11B15/46; G11B15/50; G11B15/60; G11B15/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |