US2745351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor driven pumps
Assignee: HERMAG PUMPS Ltd
•
Filing: 1952-09-02
•
Granted: 1956-05-15
•
Expires: 1972-09-02
Abstract
No abstract record available.
Inventors
- 👤 Igor V Zozulin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:41
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/62; F04D29/628; F04D13/00; F04D13/02; F04D13/021; F04D13/024; F04D13/026; F04D13/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB192618A
Cited
US2047330A
Cited
US2237027A
Cited
FR873660A
Cited
US2603160A
Cited
US2481172A
Cited
US2541906A
Cited
US2638558A
Cited
US3381824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |