US3239245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear powered threaded union
Assignee: Resistoflex Corp
•
Filing: 1964-07-16
•
Granted: 1966-03-08
•
Expires: 1984-07-16
Abstract
No abstract record available.
Inventors
- 👤 Irving D Press
- 👤 Helmut A Rink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:26
CPC Classifications
F; F16; F16L; F16L19/00; F16L17/00; F16L17/06; F16L17/08; Y; Y10; Y10S; Y10S285/00; Y10S285/912; Y10T; Y10T403/00; Y10T403/67
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A PIPE COUPLING HAVING A FLANGED NUT MOUNTED ON A FLANGED COUPLING MEMBER FOR DRAWING THE LATTER INTO SEALING POSITION RELATIVE TO AN EXTERNALLY THREADED COUPLING MEMBER, THE IMPROVEMENT COMPRISING A SPINDLE WITH A THREADED SECTION INTERMEDIATE ITS ENDS JOURNALED IN SAID NUT WHITH ITS AXIS GENERALLY AT RIGHT ANGLES TO THE AXIS OF THE NUT AND DISPLACED FROM THE NUT AXIS SO AS TO DISPOSE SAID THREADED SECTION FOR TANGENTIAL ENGAGEMENT WITH AN UNTHREADED PORTION OF SAID THREADED COUPLING MEMBER, SAID UNTHREADED PORTION BEING PROVIDED WITH A CIRCUMFERENTIALLY DISPOSED TOOTHED PORTIONM FOR MESHING WITH SAID THREADED SECTION OF THE SPINDLE WHEN SAID NUT AND THREADED COUPLING MEMBER ARE THREADEDLY ENGAGED,
Claim 2
Dependent Claim
112 words
IN A PIPE COUPLING HAVING A FLANGED NUT MOUNTED ON A FLANGED COUPLING MEMBER FOR DRAWING THE LATTER INTO SEALING POSITION RELATIVE TO AN EXTERNALLY THREADED COUPLING MEMBER, THE IMPROVEMENT COMPRISING A SPINDLE WITH A THREADED SECTION INTERMEDIATE ITS ENDS JOURNALED IN SAID NUT WHITH ITS AXIS GENERALLY AT RIGHT ANGLES TO THE AXIS OF THE NUT AND DISPLACED FROM THE NUT AXIS SO AS TO DISPOSE SAID THREADED SECTION FOR TANGENTIAL ENGAGEMENT WITH AN UNTHREADED PORTION OF SAID THREADED COUPLING MEMBER, SAID UNTHREADED PORTION BEING PROVIDED WITH A CIRCUMFERENTIALLY DISPOSED TOOTHED PORTIONM FOR MESHING WITH SAID THREADED SECTION OF THE SPINDLE WHEN SAID NUT AND THREADED COUPLING MEMBER ARE THREADEDLY ENGAGED,
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |