US3404895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phonograph tone arm and cartridge assembly therefor
Assignee: Zenith Electronics LLC
•
Filing: 1965-08-25
•
Granted: 1968-10-08
•
Expires: 1985-08-25
Abstract
No abstract record available.
Inventors
- 👤 Richard A Hathaway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:20
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/10; G11B3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2582948A
Cited
US3273897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |