US2922376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable capacity pump
Assignee: Tokheim Corp
•
Filing: 1956-09-07
•
Granted: 1960-01-26
•
Expires: 1976-09-07
Abstract
No abstract record available.
Inventors
- 👤 Melvin C Hankel
- 👤 Burdette W Foss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:41
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/18; F04C14/22; F04C14/223; F04C2/00; F04C2/30; F04C2/34; F04C2/344; F04C2/3441; F04C2/3442; 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)
US1192978A
Cited
FR561635A
Cited
US1879136A
Cited
US2395065A
Cited
US2408716A
Cited
US2433484A
Cited
US2451666A
Cited
US2649737A
Cited
US2612114A
Cited
US2653548A
Cited
US2642802A
Cited
US2671409A
Cited
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 |