US3416453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm-type compressors and pumps
Assignee: COMPRESSEURS A MEMBRANE CORBLI
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Filing: 1967-03-08
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Granted: 1968-12-17
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Expires: 1987-03-08
Abstract
No abstract record available.
Inventors
- 👤 Feuillebois Louis
- 👤 Ormut Germain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:35
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/06; F04B43/067; F04B23/00; F04B23/04; F04B23/06; F04B45/00; F04B45/04; F04B45/053; F04B45/0533; F04B49/00; F04B49/22; F04B49/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |