US3440967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure source with booster
Assignee: STAHL und APPARATEBAU HANS LEFFER GmbH
•
Filing: 1967-01-10
•
Granted: 1969-04-29
•
Expires: 1987-01-10
Abstract
No abstract record available.
Inventors
- 👤 Hermann Joseph Pennther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:45
CPC Classifications
F; F04; F04B; F04B19/00; F04B19/02; F04B19/022; F01; F01L; F01L25/00; F01L25/02; F01L25/04; F01L25/06; F01L25/066; F04B49/00; F04B49/02; F04B5/00; F04B9/00; F04B9/08; F04B9/10; F04B9/109; F04B9/111; F04B9/113; F15; F15B; F15B3/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |