US3457870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Regal Beloit America Inc
•
Filing: 1967-04-11
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Granted: 1969-07-29
•
Expires: 1987-04-11
Abstract
No abstract record available.
Inventors
- 👤 Edward B Sleeter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:33
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/12; F04D29/126; F04D29/02; F04D29/026; F05; F05D; F05D2300/00; F05D2300/40; F05D2300/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1249572A
Cited
US1850683A
Cited
US1925898A
Cited
US2382839A
Cited
US2464989A
Cited
US2599122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |