US3450054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power limiter
Assignee: Enerpac Tool Group Corp
•
Filing: 1966-12-05
•
Granted: 1969-06-17
•
Expires: 1986-12-05
Abstract
No abstract record available.
Inventors
- 👤 Larry E Halwas
- 👤 Robert L Behrens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:50
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/26; F04B1/28; F04B49/00; F04B49/08; F04B49/22; F04B49/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE25850E
Cited
US1952663A
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US2745350A
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US2669935A
Cited
US2867091A
Cited
US3009422A
Cited
US3074345A
Cited
US3175509A
Cited
US3151561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |