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US2976551A
Expired / Lapsed
US
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Gramophone records cleaning machine
Assignee: CECIL E WATTS Ltd
•
Filing: 1958-03-25
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Granted: 1961-03-28
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Expires: 1978-03-25
Abstract
No abstract record available.
Inventors
- 👤 Watts Cecil Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:50
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/58; G11B3/589
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US829848A
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US1261688A
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US2294660A
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US2338195A
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US2563701A
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US2670308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |