US2697403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic pump or motor
Assignee: MELBA L BENEDEK
•
Filing: 1949-06-06
•
Granted: 1954-12-21
•
Expires: 1969-06-06
Abstract
No abstract record available.
Inventors
- 👤 Melba L Benedek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:25
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/0404; F04B1/0443; F04B1/053; F04B1/0536; F04B1/0538; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR457126A
Cited
US1479856A
Cited
US1850083A
Cited
US2025277A
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US2219002A
Cited
US2423701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |