US2674672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handle-operated electric motor starting switch
Assignee: JA Crabtree and Co Ltd
•
Filing: 1950-10-18
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Granted: 1954-04-06
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Expires: 1970-10-18
Abstract
No abstract record available.
Inventors
- 👤 Alter Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:38
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/50; H01H71/58; H01H73/00; H01H73/22; H01H73/30; H05; H05K; H05K3/00; H05K3/02; H05K3/06
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) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |