US3386388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically actuated pump
Assignee: Individual
•
Filing: 1966-06-22
•
Granted: 1968-06-04
•
Expires: 1986-06-22
Abstract
No abstract record available.
Inventors
- 👤 Rosenberg David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:45
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/06; F04B43/0009; F04B43/0054; F04B43/0081; F04B43/009; F04B7/00; F04B7/02; F04B7/0266; F04B7/0275; F04B9/00; F04B9/08; F04B9/10; F04B9/103; F04B9/107; F04B9/1076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2843050A
Cited
US2919650A
Cited
US2953096A
Cited
US2993446A
Cited
US2959135A
Cited
US3256825A
Cited
US3299826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |