Patent US4397021A successfully refreshed from Google Patents.
US3454290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adapter for flexible tubing
Assignee: Carpano and Pons SA
•
Filing: 1967-11-16
•
Granted: 1969-07-08
•
Expires: 1987-11-16
Abstract
No abstract record available.
Inventors
- 👤 Paul Tairraz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:21
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/22; F16L33/227; F16L33/222; F16L37/00; F16L37/08; F16L37/084; F16L37/092; F16L37/0925; F16L37/0926; F16L37/0927
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2365747A
Cited
US2470538A
Cited
US2541200A
Cited
GB762967A
Cited
US3218094A
Cited
US3265412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |