US2852130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uniform tension winding mechanism
Assignee: US Electrical Motors Inc
•
Filing: 1953-10-26
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Granted: 1958-09-16
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Expires: 1973-10-26
Abstract
No abstract record available.
Inventors
- 👤 John H Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:02
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/66; F16H61/662; F16H61/6625; B; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/195; B65H23/1955
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2205235A
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US2276794A
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US2296385A
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US2222716A
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US2388699A
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US2658692A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |