US2954048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump and valve therefor
Assignee: Individual
•
Filing: 1959-02-05
•
Granted: 1960-09-27
•
Expires: 1979-02-05
Abstract
No abstract record available.
Inventors
- 👤 Frank J Rychlik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:24
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/148; F04; F04B; F04B43/00; F04B43/0009; F04B43/0054; F04B43/0063; F04B53/00; F04B53/10; F04B53/1037; F04B53/1047; F04B53/105; F16K15/1402; F16K15/16; F16K15/162; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/784; Y10T137/7879; Y10T137/7888; Y10T137/7891; Y10T137/7892
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) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |