US3380765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe union
Assignee: Dilo Ges Drexler & Co
•
Filing: 1964-11-27
•
Granted: 1968-04-30
•
Expires: 1984-11-27
Abstract
No abstract record available.
Inventors
- 👤 Himmel Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:01
CPC Classifications
F; F16; F16L; F16L47/00; F16L47/14; F16L19/00; F16L19/02; F16L19/0212; F16L19/0225; F16L19/06; F16L19/061; F16L19/08; F16L27/00; F16L27/02; F16L27/04; F16L27/047; F16L47/04; Y; Y10; Y10S; Y10S285/00; Y10S285/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A PIPE UNION, A FIRST PIPE HAVING A TERMINAL PORTION; A FIRST TUBULAR SEALING MEMBER SNUGLY RECEIVING SAID TERMINAL PORTION AND CONSISTING OF RADIALLY COMPRESSIBLE MATERIAL, SAID FIRST SEALING MEMBER HAVING A LEADING END AND A PERIPHERAL SURFACE PROVIDED WITH ELONGATED RIBS AND, TO ENHANCE THE COMPRESSIBILITY THEREOF, WITH AXIALLY EXTENDING OPEN GROOVES WHICH HAVE OPEN ENDS LOCATED AT SAID LEADING END; A SECOND TUBULAR SEALING MEMBER HAVING A CONICAL INTERNAL SURFACE SNUGLY RECEIVING AT LEAST A PORTION OF SAID PERIPHERAL SURFACE, ONE OF SAID SEALING MEMBERS HAVING AN END PORTION EXTENDING BEYOND SAID TERMINAL
Claim 2
Dependent Claim
96 words
IN A PIPE UNION, A FIRST PIPE HAVING A TERMINAL PORTION; A FIRST TUBULAR SEALING MEMBER SNUGLY RECEIVING SAID TERMINAL PORTION AND CONSISTING OF RADIALLY COMPRESSIBLE MATERIAL, SAID FIRST SEALING MEMBER HAVING A LEADING END AND A PERIPHERAL SURFACE PROVIDED WITH ELONGATED RIBS AND, TO ENHANCE THE COMPRESSIBILITY THEREOF, WITH AXIALLY EXTENDING OPEN GROOVES WHICH HAVE OPEN ENDS LOCATED AT SAID LEADING END; A SECOND TUBULAR SEALING MEMBER HAVING A CONICAL INTERNAL SURFACE SNUGLY RECEIVING AT LEAST A PORTION OF SAID PERIPHERAL SURFACE, ONE OF SAID SEALING MEMBERS HAVING AN END PORTION EXTENDING BEYOND SAID TERMINAL
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) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |