US3396637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic ram
Assignee: Enerpac Tool Group Corp
•
Filing: 1966-05-11
•
Granted: 1968-08-13
•
Expires: 1986-05-11
Abstract
No abstract record available.
Inventors
- 👤 Donald W Sessody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:02
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/26; F; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/1423; F15B15/1447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1362435A
Cited
US1494243A
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US2417887A
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US2566994A
Cited
US2658809A
Cited
US2785025A
Cited
GB889106A
Cited
US3146683A
Cited
US3312150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |