Patent US3040664A successfully refreshed from Google Patents.
US3040664A
Expired / Lapsed
US
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Dual cavity fluid handling device
Assignee: FLO MOTIVE CORP
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Filing: 1959-04-13
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Granted: 1962-06-26
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Expires: 1979-04-13
Abstract
No abstract record available.
Inventors
- 👤 Hartley Ezra Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:36
CPC Classifications
F; F04; F04C; F04C9/00; F04C9/005; F04C3/00; F04C3/06
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |