US3389698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluidic device for alternately filling and emptying an enclosure
Assignee: Bertin Technologies SAS
•
Filing: 1965-07-29
•
Granted: 1968-06-25
•
Expires: 1985-07-29
Abstract
No abstract record available.
Inventors
- 👤 Kadosch Marcel
- 👤 Pavlin Cyrille Francois
- 👤 Mace Edouard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:18
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/06; A61M16/0057; A61M16/0063; A61M16/021; F; F04; F04B; F04B43/00; F04B43/08; F04B43/10; F04B43/113; F15; F15C; F15C1/00; F15C1/22; A61M2202/00; A61M2202/02; A61M2202/0208; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2229; Y10T137/2234
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3295543A
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US3122165A
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US3196866A
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US3217727A
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US3244189A
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US3292623A
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US3285265A
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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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |