US3040663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-way valveless pump
Assignee: General Electric Co
•
Filing: 1959-12-30
•
Granted: 1962-06-26
•
Expires: 1979-12-30
Abstract
No abstract record available.
Inventors
- 👤 Donald S Cushing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:45
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/46; F04D29/50; F04D29/506; A; A47; A47L; A47L15/00; A47L15/42; A47L15/4214; A47L15/4225; Y; Y10; Y10S; Y10S415/00; Y10S415/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US772989A
Cited
US2258284A
Cited
US2838002A
Cited
US2864312A
Cited
FR1142593A
Cited
US2916997A
Cited
FR1177354A
Cited
US2946286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |