US2592082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating shaft seal
Assignee: CLARK BROS Co Inc
•
Filing: 1948-11-06
•
Granted: 1952-04-08
•
Expires: 1968-11-06
Abstract
No abstract record available.
Inventors
- 👤 William E Trumpler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:38
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US424662A
Cited
US1326690A
Cited
US849576A
Cited
GB204097A
Cited
US1831571A
Cited
US1924203A
Cited
US2034227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |