Patent US3412645A successfully refreshed from Google Patents.
US3412645A
Expired / Lapsed
US
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Pneumatic motor of the reciprocable type
Assignee: Martonair Ltd
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Filing: 1966-02-16
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Granted: 1968-11-26
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Expires: 1986-02-16
Abstract
No abstract record available.
Inventors
- 👤 Kirk Colin John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:28
CPC Classifications
B; B25; B25D; B25D9/00; B25D9/06; B25D9/08; B25D9/14; D; D03; D03D; D03D49/00; D03D49/24; D03D49/26; D03D49/28; D03D49/34; D03D49/42; F; F01; F01B; F01B17/00; F01B17/02; F15; F15B; F15B15/00; F15B15/20; F15B15/22; F15B15/223
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) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |