Patent US3381583A successfully refreshed from Google Patents.
US3381583A
Expired / Lapsed
US
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Volumetric machine
Assignee: Individual
•
Filing: 1965-11-19
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Granted: 1968-05-07
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Expires: 1985-11-19
Abstract
No abstract record available.
Inventors
- 👤 Vansteene Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:07
CPC Classifications
F; F02; F02B; F02B53/00; F04; F04C; F04C18/00; F04C5/00; F02B2730/00; F02B2730/01; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1040700A
Cited
US1376291A
Cited
US1527807A
Cited
US2475247A
Cited
US2691365A
Cited
US2921534A
Cited
US3316814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |