Patent US2977633A successfully refreshed from Google Patents.
US2977633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming a socket at the end of a pipe and the pipe resulting therefrom
Assignee: Pont a Mousson SA
•
Filing: 1957-11-25
•
Granted: 1961-04-04
•
Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Breitenstein Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:52
CPC Classifications
F; F16; F16L; F16L47/00; F16L47/06; B; B29; B29C; B29C57/00; B29C57/02; B29C57/08; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10S264/66; Y10S425/00; Y10S425/218
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |