US2883180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic accumulators
Assignee: Individual
•
Filing: 1955-08-22
•
Granted: 1959-04-21
•
Expires: 1975-08-22
Abstract
No abstract record available.
Inventors
- 👤 Moulton Alexander Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:18
CPC Classifications
F; F16; F16F; F16F13/00; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B2201/00; F15B2201/20; F15B2201/30; F15B2201/31; F15B2201/315; F15B2201/3151; F15B2201/3156; F15B2201/40; F15B2201/41
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US698953A
Cited
GB191028709A
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US1089663A
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US2313486A
Cited
DE714386C
Cited
US2318437A
Cited
US2582363A
Cited
US2537634A
Cited
US2504424A
Cited
US2808070A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |