Patent US2990200A successfully refreshed from Google Patents.
US2990200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure seal for a threaded joint
Assignee: Individual
•
Filing: 1957-10-09
•
Granted: 1961-06-27
•
Expires: 1977-10-09
Abstract
No abstract record available.
Inventors
- 👤 Clarence B Yount
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:01
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/08; F16J15/0887; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/935; Y10T; Y10T403/00; Y10T403/49; Y10T403/4933
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1063926A
Cited
CH198232A
Cited
US2343235A
Cited
US2466527A
Cited
US2484815A
Cited
US2693374A
Cited
US2761704A
Cited
US2704676A
Cited
US2826438A
Cited
US2695796A
Cited
US2693375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |