US2895424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant pressure liquid pump
Assignee: Stewart Warner Corp
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Filing: 1955-09-13
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Granted: 1959-07-21
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Expires: 1975-09-13
Abstract
No abstract record available.
Inventors
- 👤 Vernon N Tramontini
- 👤 John F Wein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:52
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/0009; F04B43/0054; F04B53/00; F04B53/10; F04B53/1037; F04B53/1047; F04B53/106; F04B53/1065; F04B9/00; F04B9/02; F04B9/06; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/789; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18248; Y10T74/18256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |