US3387455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for pressurizing fluids
Assignee: Ernst Heinkel AG
•
Filing: 1966-07-13
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Granted: 1968-06-11
•
Expires: 1986-07-13
Abstract
No abstract record available.
Inventors
- 👤 Eggstein Giorgio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:21
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/46; B60T13/52; B60T13/565; B60T11/00; B60T11/10; B60T11/16; B60T11/20; B60T13/241; B60T13/242; B60T13/244; B60T13/57
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735268A
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US2331238A
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US2969807A
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US3172334A
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US2985143A
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US3109287A
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US3150493A
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US3237525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |