US3268247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe joint constructions and methods of making the same or the like
Assignee: Reynolds Metals Co
•
Filing: 1962-12-17
•
Granted: 1966-08-23
•
Expires: 1982-12-17
Abstract
No abstract record available.
Inventors
- 👤 Kenneth E Murphrce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:24
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/007; B; B23; B23K; B23K37/00; B23K37/08; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1498
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
IN COMBINATION, A FIRST LENGTH OF PIPE HAVING AN END, A SECOND LENGHT OF PIPE HAVING AN END, FLASH WELD MEANS JOINING SAID END OF SAID SECOND PIPE TO SAID END OF SAID FIRST PIPE, AN INSERT DISPOSED IN SAID PIPES, AND FLASH WELD MEANS JOINING SAID INSERT TO SAID ENDS OF SAID PIPES.
References Cited (Backward Citations)
US376750A
Cited
US1313387A
Cited
GB287005A
Cited
US2745797A
Cited
US2816211A
Cited
US2949319A
Cited
US2823933A
Cited
US2762904A
Cited
US2926030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |