US3531126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for adjusting position of stereophonic head of magnetic sound recorder-reproducer
Assignee: Pioneer Corp
•
Filing: 1966-12-27
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Granted: 1970-09-29
•
Expires: 1986-12-27
Abstract
No abstract record available.
Inventors
- 👤 Tsunehiro Tsukagoshi
- 👤 Masaru Chichiiwa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:31
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/12; G11B15/05; G11B15/06; G11B5/00; G11B5/48; G11B5/54; G11B5/55; G11B5/5504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2328539A
Cited
US2468198A
Cited
US2857164A
Cited
US2730581A
Cited
US3437762A
Cited
US3388911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |