US2424035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure governor for pumps
Assignee: ZF International UK Ltd
•
Filing: 1945-01-23
•
Granted: 1947-07-15
•
Expires: 1965-01-23
Abstract
No abstract record available.
Inventors
- 👤 Ifield Richard Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:17
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/08; F04B49/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21758E
Cited
US2129886A
Cited
US2177098A
Cited
US2299234A
Cited
US2273670A
Cited
US2292125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |