Patent US3485502A successfully refreshed from Google Patents.
US3485502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning apparatus for gramophone records
Assignee: J Goddard and Sons Ltd
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Filing: 1966-08-23
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Granted: 1969-12-23
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Expires: 1986-08-23
Abstract
No abstract record available.
Inventors
- 👤 James Coward Thornton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:46
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/58; G11B3/589
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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |