US2955170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phonograph pickups
Assignee: Sonotone Corp
•
Filing: 1958-05-07
•
Granted: 1960-10-04
•
Expires: 1978-05-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Norman H Dieter
- 👤 Egon H Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:00
CPC Classifications
H; H04; H04R; H04R17/00; H04R17/04; H04R17/06; H04R11/00; H04R11/08; H04R11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2699470A
Cited
US2851541A
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 |