US2922380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating pump
Assignee: TRYLON CHEMICALS Inc
•
Filing: 1957-05-14
•
Granted: 1960-01-26
•
Expires: 1977-05-14
Abstract
No abstract record available.
Inventors
- 👤 Jr George Wesley Pedlow
- 👤 Murray H Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:37
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/14; F16; F16K; F16K15/00; F16K15/14; F16K15/1402; F16K15/16; F05; F05C; F05C2225/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7843; Y10T137/7879; Y10T137/7888; Y10T137/7891
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) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |