US3536973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch and speed control for electric motor
Assignee: Lucerne Products Inc
•
Filing: 1968-02-01
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Granted: 1970-10-27
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Expires: 1988-02-01
Abstract
No abstract record available.
Inventors
- 👤 Benjamin H Matthews
- 👤 Jules W Rhine
- 👤 Robert W Bittel
- 👤 Richard A Lovelace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:49
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/04; H01H13/08; H01C; H01C10/00; H01C10/30; H01C10/38; H01H9/00; H01H9/02; H01H9/06; H01H9/061; H01H9/52; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/917; Y10S388/919; Y10S388/935; Y10S388/937
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) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |