US2921532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submerged motor pump
Assignee: Tokheim Corp
•
Filing: 1956-02-17
•
Granted: 1960-01-19
•
Expires: 1976-02-17
Abstract
No abstract record available.
Inventors
- 👤 George N Tsiguloff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:23
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/08; F04D13/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1530569A
Cited
US2148038A
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US2181343A
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US2247813A
Cited
GB574140A
Cited
US2470563A
Cited
US2440317A
Cited
US2506827A
Cited
US2639671A
Cited
US2659312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |