US2992838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe joint having heated sealing means
Assignee: RTX Corp
•
Filing: 1958-01-09
•
Granted: 1961-07-18
•
Expires: 1978-01-09
Abstract
No abstract record available.
Inventors
- 👤 Rudolf N Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:29
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/16; F16L23/18; F16J; F16J15/00; F16J15/002; F16J15/008; Y; Y10; Y10S; Y10S277/00; Y10S277/919; Y10S277/93
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732229A
Cited
US1863855A
Cited
US1926107A
Cited
US2667865A
Cited
GB686387A
Cited
USRE24365E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |