US2673570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slush pump valve with clip retaining means
Assignee: Individual
•
Filing: 1952-09-09
•
Granted: 1954-03-30
•
Expires: 1972-09-09
Abstract
No abstract record available.
Inventors
- 👤 Cunningham Paul
- 👤 William M King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:08
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/102; F04B53/1022; F04B53/1027; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US691477A
Cited
US1598551A
Cited
US1707017A
Cited
US1796252A
Cited
US1990557A
Cited
US2244427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |