Patent US2473726A successfully refreshed from Google Patents.
US2473726A
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US
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Electric pump
Assignee: Harvey Payne & Co W
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Filing: 1946-12-28
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Granted: 1949-06-21
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Expires: 1966-12-28
Abstract
No abstract record available.
Inventors
- 👤 Payne William Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:05
CPC Classifications
F; F04; F04B; F04B47/00; F04B47/06; F04B11/00; F04B11/0008; F04B11/0016; F04B17/00; F04B17/03; F04B17/04; F04B17/042; F04B5/00; F04B5/02; F04B53/00; F04B53/10; F04B53/1075; F04F; F04F1/00; F04F1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |