Patent US2962048A successfully refreshed from Google Patents.
US2962048A
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Recirculating and drain system
Assignee: Gorman Rupp Industries Inc
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Filing: 1959-05-27
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Granted: 1960-11-29
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Expires: 1979-05-27
Abstract
No abstract record available.
Inventors
- 👤 Steidley Virgil Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:02
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4214; A47L15/4219; F; F16; F16T; F16T1/00; F28; F28G; F28G9/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/729; Y10T137/8593; Y10T137/85978; Y10T137/86035
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) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |