US3316931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cryogenic transfer method and apparatus
Assignee: Individual
•
Filing: 1964-08-18
•
Granted: 1967-05-02
•
Expires: 1984-08-18
Abstract
No abstract record available.
Inventors
- 👤 Charles W Elrod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:09
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/14; F16L59/141; Y; Y10; Y10S; Y10S285/00; Y10S285/904; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6552
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A COUPLING DEVICE FOR A CRYOGENIC TRANSFER LINE COMPRISING: A FIRST CONDUIT MEMBER; A SECOND CONDUIT MEMBER HAVING A REDUCED END PORTION SNUGLY FITTING INSIDE OF SAID FIRST CONDUIT MEMBER; A THIRD CONDUIT MEMBER, SUPPORTED WITHIN AND SPACED FROM SAID FIRST CONDUIT MEMBER; A FOURTH CONDUIT MEMBER SUPPORTED WITHIN AND SPACED FROM SAID SECOND CONDUIT MEMBER AND HAVING AN ENLARGED END PORTION SNUGLY SURROUNDING SAID THIRD CONDUIT MEMBER; A FIRST PIPE MEMBER SURROUNDING SAID FIRST CONDUIT MEMBER AND HAVING A SUBSTANTIALLY RADIALLY POSITIONED BENT OVER END PORTION ATTACHED TO SAID FIRST CONDUIT MEMBER; A SECOND PIPE MEMBER SURROUNDING SAID SECOND CONDUIT MEMBER AND HAVING A SUBSTANTIALLY RADIALLY POSITIONED BENT OVER END PORTION ATTACHED TO SAID SECOND CONDUIT MEMBER; AN O-RING SEAL LOCATED BETWEEN THE BENT OVER END PORTIONS OF SAID PIPE MEMBERS; ONE OF SAID PIPE MEMBERS HAVING EXTERNAL THREADS ADJACENT SAID BENT OVER END PORTION; THE OTHER OF SAID PIPE MEMBERS HAVING AN EXTERNAL FLANGE SECURED THERETO ADJACENT SAID BENT OVER END PORTION; A COUPLING MEANS ENGAGING SAID FLANGE AND HAVING INTERNAL THREADS ENGAGING THE THREADS ON SAID ONE OF SAID PIPE MEMBERS.
Claim 2
Dependent Claim
184 words
A COUPLING DEVICE FOR A CRYOGENIC TRANSFER LINE COMPRISING: A FIRST CONDUIT MEMBER; A SECOND CONDUIT MEMBER HAVING A REDUCED END PORTION SNUGLY FITTING INSIDE OF SAID FIRST CONDUIT MEMBER; A THIRD CONDUIT MEMBER, SUPPORTED WITHIN AND SPACED FROM SAID FIRST CONDUIT MEMBER; A FOURTH CONDUIT MEMBER SUPPORTED WITHIN AND SPACED FROM SAID SECOND CONDUIT MEMBER AND HAVING AN ENLARGED END PORTION SNUGLY SURROUNDING SAID THIRD CONDUIT MEMBER; A FIRST PIPE MEMBER SURROUNDING SAID FIRST CONDUIT MEMBER AND HAVING A SUBSTANTIALLY RADIALLY POSITIONED BENT OVER END PORTION ATTACHED TO SAID FIRST CONDUIT MEMBER; A SECOND PIPE MEMBER SURROUNDING SAID SECOND CONDUIT MEMBER AND HAVING A SUBSTANTIALLY RADIALLY POSITIONED BENT OVER END PORTION ATTACHED TO SAID SECOND CONDUIT MEMBER; AN O-RING SEAL LOCATED BETWEEN THE BENT OVER END PORTIONS OF SAID PIPE MEMBERS; ONE OF SAID PIPE MEMBERS HAVING EXTERNAL THREADS ADJACENT SAID BENT OVER END PORTION; THE OTHER OF SAID PIPE MEMBERS HAVING AN EXTERNAL FLANGE SECURED THERETO ADJACENT SAID BENT OVER END PORTION; A COUPLING MEANS ENGAGING SAID FLANGE AND HAVING INTERNAL THREADS ENGAGING THE THREADS ON SAID ONE OF SAID PIPE MEMBERS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |