Patent US2764099A successfully refreshed from Google Patents.
US2764099A
Expired / Lapsed
US
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Housing of artificial material for singe stage centrifugal pumps
Assignee: Individual
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Filing: 1955-04-27
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Granted: 1956-09-25
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Expires: 1975-04-27
Abstract
No abstract record available.
Inventors
- 👤 Wernert Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:42
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/426; F04D29/02; F04D29/026; F05; F05D; F05D2300/00; F05D2300/40; F05D2300/43; F16; F16H; F16H41/00; F16H41/24; F16H2041/246
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1007126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |