Patent US3188964A successfully refreshed from Google Patents.
US3188964A
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US
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Change speed gear mechanism and pumps therefor
Assignee: Humber Ltd
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Filing: 1962-04-16
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Granted: 1965-06-15
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Batten James Denne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:32
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/14; F04B13/00; F04B13/02; F04B49/00; F04B49/22; F04B49/24; F04B7/00; F04B7/04; F04B9/00; F04B9/02; F04B9/04; F04B9/042; F16; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H2716/00; F16H2716/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1932921A
Cited
US2010165A
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US2041422A
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US2433220A
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US2919597A
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US2916999A
Cited
US3130674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |