Patent US3239252A successfully refreshed from Google Patents.
US3239252A
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US
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Conduit fitting
Assignee: Cooper Industries LLC
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Filing: 1962-05-23
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Granted: 1966-03-08
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Expires: 1982-05-23
Abstract
No abstract record available.
Inventors
- 👤 Harry A Schmitt
- 👤 David F Hyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:56
CPC Classifications
F; F16; F16L; F16L35/00; H; H02; H02G; H02G3/00; H02G3/02; H02G3/06; H02G3/0616
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A CONDUIT FITTING COMPRISING A RING OF COMPRESSIBLE MATERIAL HAVING A RELATIVELY SMALL DIAMETER CYLINDRICAL PORTION WITH A TAPERED END SECTION THEREON AND AN INTEGRAL RELATIVELY LARGE DIAMETER PORTION PROVIDING A SHOULDER FORMING A POSITIVE STOP, SAID RING BEING ADAPTED TO ENCIRCLE A CONDUIT, A COMPRESSION MEMBER ENCIRLING SAID RING AND HAVING A COMPLEMENTARY TAPERED SURFACE AND A COMPLEMENTARY POSITIVE STOP, A METAL FERRULE HAVING A THREADED BODY ADAPTED TO FIT THREADEDLY WITHIN A METALLIC CONDUIT IN ELECTRICAL ENGAGEMENT THEREWITH AND FURTHER HAVING A HEAD ADAPTED TO EXTEND RADIALLY BEYOND SAID CONDUIT AND ENGAGEABLE BY SAID RING PORTION OF RELATIVELY LARGE DIAMETER, AND A BODY HAVING AN INTERNAL STOP ENGAGEABLE BY SAID FERRULE HEAD ON THE SIDE OPPOSITE SAID RING, SAID
Claim 2
Dependent Claim
121 words
A CONDUIT FITTING COMPRISING A RING OF COMPRESSIBLE MATERIAL HAVING A RELATIVELY SMALL DIAMETER CYLINDRICAL PORTION WITH A TAPERED END SECTION THEREON AND AN INTEGRAL RELATIVELY LARGE DIAMETER PORTION PROVIDING A SHOULDER FORMING A POSITIVE STOP, SAID RING BEING ADAPTED TO ENCIRCLE A CONDUIT, A COMPRESSION MEMBER ENCIRLING SAID RING AND HAVING A COMPLEMENTARY TAPERED SURFACE AND A COMPLEMENTARY POSITIVE STOP, A METAL FERRULE HAVING A THREADED BODY ADAPTED TO FIT THREADEDLY WITHIN A METALLIC CONDUIT IN ELECTRICAL ENGAGEMENT THEREWITH AND FURTHER HAVING A HEAD ADAPTED TO EXTEND RADIALLY BEYOND SAID CONDUIT AND ENGAGEABLE BY SAID RING PORTION OF RELATIVELY LARGE DIAMETER, AND A BODY HAVING AN INTERNAL STOP ENGAGEABLE BY SAID FERRULE HEAD ON THE SIDE OPPOSITE SAID RING, SAID
References Cited (Backward Citations)
US1665346A
Cited
FR809040A
Cited
US2522785A
Cited
US2503169A
Cited
FR1101782A
Cited
US2941025A
Cited
GB879151A
Cited
FR1286469A
Cited
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 |