US3048978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic control system
Assignee: Enerpac Tool Group Corp
•
Filing: 1960-08-02
•
Granted: 1962-08-14
•
Expires: 1980-08-02
Abstract
No abstract record available.
Inventors
- 👤 Richard C Hare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:41
CPC Classifications
F; F15; F15B; F15B7/00; F15B7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US568736A
Cited
US2181754A
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US2657536A
Cited
US2383180A
Cited
US2396155A
Cited
US2796737A
Cited
US2978044A
Cited
US2946196A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |