US2845029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic pumps
Assignee: Individual
•
Filing: 1954-02-03
•
Granted: 1958-07-29
•
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 10:08
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)
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Cited
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Cited
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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 |