US2743741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic accumulator
Assignee: TECHRON Ltd
•
Filing: 1952-09-29
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Granted: 1956-05-01
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Expires: 1972-09-29
Abstract
No abstract record available.
Inventors
- 👤 Lewis R Ord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:54
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/31; F15B2201/312; F15B2201/315; F15B2201/3158; F15B2201/32; F15B2201/40; F15B2201/41; F15B2201/415
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US117043A
Cited
US594787A
Cited
US611823A
Cited
US1035386A
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US991977A
Cited
US2333095A
Cited
US2346667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |