Patent DE902308C successfully refreshed from Google Patents.
Patent US2845029A successfully refreshed from Google Patents.
US2845029A
Expired / Lapsed
US
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Hydraulic pumps
Assignee: Individual
•
Filing: 1954-02-03
•
Granted: 1958-07-29
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Expires: 1974-02-03
Abstract
No abstract record available.
Inventors
- 👤 Gratzmuller Jean Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:28
CPC Classifications
F; F16; F16C; F16C3/00; F16C3/04; F16C3/22; F04; F04B; F04B49/00; F04B49/22; F04B49/225; F04B53/00; F04B53/006; F04B53/10; F04B53/109; F04B53/16; F04B53/162; F04B53/164; F04B9/00; F04B9/02; F04B9/04; F04B9/045; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7804; Y10T137/7809; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR962293A
Cited
US765026A
Cited
US1685424A
Cited
US1905284A
Cited
US1958948A
Cited
US2007871A
Cited
US2131779A
Cited
DE697008C
Cited
US2131749A
Cited
FR953629A
Cited
US2295833A
Cited
DE854864C
Cited
US2433220A
Cited
CH252418A
Cited
FR949264A
Cited
US2645182A
Cited
US2691388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |