Patent US3436085A successfully refreshed from Google Patents.
US3436085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing structure embodying deformable ring
Assignee: Cleveland Technical Center Inc
•
Filing: 1966-01-19
•
Granted: 1969-04-01
•
Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Polk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:17
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/021; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR905737A
Cited
US2679241A
Cited
US2783295A
Cited
US2900199A
Cited
US2744514A
Cited
FR1240659A
Cited
FR1326089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |