Patent US3512422A successfully refreshed from Google Patents.
US3512422A
Expired / Lapsed
US
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Rotary actuator
Assignee: ALKON PRODUCTS CORP
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Filing: 1968-05-31
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Granted: 1970-05-19
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Expires: 1988-05-31
Abstract
No abstract record available.
Inventors
- 👤 Wilfred Aslan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:20
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/22; H01H21/24; H01H21/28; H01H21/285; F; F16; F16H; F16H25/00; F16H25/18; H01H11/00; H01H11/0006; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/1896; Y10T74/19; Y10T74/1987; Y10T74/19884
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US195638A
Cited
US3390921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |