US3046895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable displacement pump control
Assignee: VEB ZENTRALE ENTWICKLUNG und KONSTRUKTION ZEK HYDRAULIK
•
Filing: 1958-02-27
•
Granted: 1962-07-31
•
Expires: 1978-02-27
Abstract
No abstract record available.
Inventors
- 👤 Berg Fritz
- 👤 Wrabetz Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:38
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/16; F15B9/17
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1418953A
Cited
US2214552A
Cited
US2240898A
Cited
US2302922A
Cited
US2304620A
Cited
US2550966A
Cited
US2588522A
Cited
US2614500A
Cited
US2648312A
Cited
US2801442A
Cited
US2882863A
Cited
US2840045A
Cited
US2910943A
Cited
US2902825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |