US2130764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined motor mechanism and control switch therefor
Assignee: National Pneumatic Co Inc
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Filing: 1937-09-30
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Granted: 1938-09-20
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Expires: 1957-09-30
Abstract
No abstract record available.
Inventors
- 👤 Roscoe D Conklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:14
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/006; E; E05; E05F; E05F15/00; E05F15/40; E05F15/41; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/47; E05Y2201/474; E05Y2400/00; E05Y2400/10; E05Y2400/52; E05Y2400/53; E05Y2400/54; E05Y2400/55; E05Y2400/552; E05Y2600/00; E05Y2600/10; E05Y2600/11; E05Y2900/00; E05Y2900/50; E05Y2900/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-09-19 | 1942-03-21 | 1942-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-09-19 | 1946-03-21 | 1946-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-09-19 | 1950-03-21 | 1950-09-20 | $7700.00 | Window Closed / Lapsed |