Patent US2404547A successfully refreshed from Google Patents.
US2404547A
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US
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Hydraulic pump
Assignee: Adel Precision Products Corp
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Filing: 1945-03-06
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Granted: 1946-07-23
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Expires: 1965-03-06
Abstract
No abstract record available.
Inventors
- 👤 Carl J Strid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:22
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/12; F04B53/121; F04B9/00; F04B9/14; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-07-22 | 1950-01-21 | 1950-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-22 | 1954-01-21 | 1954-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-22 | 1958-01-21 | 1958-07-23 | $7700.00 | Window Closed / Lapsed |