US1757282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal pump
Assignee: AUTO PRIME PUMP Co
•
Filing: 1927-07-11
•
Granted: 1930-05-06
•
Expires: 1947-07-11
Abstract
No abstract record available.
Inventors
- 👤 Clarence G Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:05
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/004; F04D9/005; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/8593; Y10T137/86187; Y10T137/86204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-05-05 | 1933-11-04 | 1934-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-05-05 | 1937-11-04 | 1938-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-05-05 | 1941-11-04 | 1942-05-06 | $7700.00 | Window Closed / Lapsed |