Patent US2096490A successfully refreshed from Google Patents.
US2096490A
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Rotary pump
Assignee: Waukesha Foundry Co Inc
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Filing: 1935-12-16
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Granted: 1937-10-19
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Expires: 1955-12-16
Abstract
No abstract record available.
Inventors
- 👤 Hansen Thore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:54
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/126; F04C15/00; F04C15/0003; F04C15/0034; F04C15/0038; F04C15/0057; F04C15/0061; F04C15/0073; F04C2/14; F04C2/18; F04C2230/00; F04C2230/70; F04C2240/00; F04C2240/30; Y; Y10; Y10S; Y10S277/00; Y10S277/911
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) | 1940-10-18 | 1941-04-19 | 1941-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-18 | 1945-04-19 | 1945-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-18 | 1949-04-19 | 1949-10-19 | $7700.00 | Window Closed / Lapsed |