Patent US2626166A successfully refreshed from Google Patents.
US2626166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural-passage rotary fluid seal
Assignee: Fawick Airflex Co
•
Filing: 1950-03-21
•
Granted: 1953-01-20
•
Expires: 1970-03-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Fawick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:11
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/54; F16L; F16L39/00; F16L39/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |