US3606659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coupling and/or joining lined pipe
Assignee: Paul Mueller Co
•
Filing: 1969-11-18
•
Granted: 1971-09-21
•
Expires: 1989-11-18
Abstract
Abstract DISCLOSED IS A COUPLING AND A METHOD FOR JOINING TIN LINED TUBINGS WHEREIN A PORTION OF THE TUBING IS REMOVED TO EXPOSE A PORTION OF THE TIN LINING. THE EXPOSED LINING IS THEN FLARED OVER THE END OF THE TUBING SO THAT DURING CONNECTION OF THE TUBING TO A FITTING BY CONVENTIONAL FERRULE AND NUT MEANS, THE FLARED TIN IS FORCED AGAINST AND OVER THE FERRULE TO FORM A JOINT COMPLETELY LINED WITH TIN INCLUDING A LAYER OF TIN BETWEEN THE OPPOSED PIPE AND FITTING FACES.
Inventors
- 👤 James F Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:56
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/02; F16L19/0243; B; B21; B21D; B21D39/00; B21D39/04; B29; B29C; B29C57/00; B29C57/005; B29C63/00; B29C63/26; B29C63/34; B29C63/346; Y; Y10; Y10S; Y10S138/00; Y10S138/06; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49446; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/4994; Y10T29/49947; Y10T29/49948
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |