US2657060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change cycle control mechanism
Assignee: CAPEHART FARNSWORTH CORP
•
Filing: 1950-01-06
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Granted: 1953-10-27
•
Expires: 1970-01-06
Abstract
No abstract record available.
Inventors
- 👤 Arlington V Lapish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:24
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/08; G11B17/12; G11B17/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2295092A
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US2279851A
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US2331383A
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US2435264A
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GB554554A
Cited
US2541072A
Cited
US2428258A
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US2394539A
Cited
US2487771A
Cited
US2536477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |