US2867175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable capacity hydraulic pump
Assignee: Individual
•
Filing: 1953-04-02
•
Granted: 1959-01-06
•
Expires: 1973-04-02
Abstract
No abstract record available.
Inventors
- 👤 West Juston Waite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:42
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/02; F04B49/03; F04B1/00; F04B1/04; F04B1/06; F04B1/07; F04B1/10; F04B1/113; F04B1/1133; F04B49/002; F04B49/10; F04B49/103; F04B49/12; F04B49/123; F04B49/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1135414A
Cited
US1660183A
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US2115121A
Cited
US2248452A
Cited
US2349773A
Cited
US2528764A
Cited
US2551430A
Cited
US2684038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |