US2809595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump casing construction
Assignee: American Brake Shoe Co
•
Filing: 1954-01-26
•
Granted: 1957-10-15
•
Expires: 1974-01-26
Abstract
No abstract record available.
Inventors
- 👤 Cecil E Adams
- 👤 Sun Yung Ho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:00
CPC Classifications
F; F04; F04C; F04C15/00; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2599767A
Cited
US2556313A
Cited
US2649737A
Cited
US2653550A
Cited
US2713828A
Cited
US2720171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |