Patent US1948109A successfully refreshed from Google Patents.
US3424853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shielded connection of thin walled conduits
Assignee: Individual
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Filing: 1966-06-10
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Granted: 1969-01-28
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Expires: 1986-06-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:55
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/08; H02G15/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
AN ELECTROMAGNETIC RADIATION SHIELD JOINT FOR THIN WALLED CONDUITS COMPRISING A TUBULAR BODY, ONE END OF SAID BODY BEING THREADED EXTERNALLY, A DEFORMABLE GROUNDING ADAPTOR CONSISTING OF A DOUBLE TUBE JOINED TOGETHER AT ONE END AND BEING SUBSTANTIALLY U-SHAPED IN CROSSSECTION, SAID ADAPTOR BEING HELD CENTRALLY WITHIN SAID BODY, A RIGID THIN WALLED CONDUIT THE END OF WHICH IS FITTED INTO SAID ADAPTOR, A METAL MESH GASKET SURROUNDING SAID CONDUIT AND CONTACTING THE OUTER OF SAID DOUBLE TUBE, AND MEANS ENGAGING SAID EXTERNAL THREADS FOR CLAMPING SAID ADAPTOR TO PROVIDE A CONDUCTIVE PATH BETWEEN SAID CONDUIT AND SAID BODY.
Claim 2
Dependent Claim
99 words
AN ELECTROMAGNETIC RADIATION SHIELD JOINT FOR THIN WALLED CONDUITS COMPRISING A TUBULAR BODY, ONE END OF SAID BODY BEING THREADED EXTERNALLY, A DEFORMABLE GROUNDING ADAPTOR CONSISTING OF A DOUBLE TUBE JOINED TOGETHER AT ONE END AND BEING SUBSTANTIALLY U-SHAPED IN CROSSSECTION, SAID ADAPTOR BEING HELD CENTRALLY WITHIN SAID BODY, A RIGID THIN WALLED CONDUIT THE END OF WHICH IS FITTED INTO SAID ADAPTOR, A METAL MESH GASKET SURROUNDING SAID CONDUIT AND CONTACTING THE OUTER OF SAID DOUBLE TUBE, AND MEANS ENGAGING SAID EXTERNAL THREADS FOR CLAMPING SAID ADAPTOR TO PROVIDE A CONDUCTIVE PATH BETWEEN SAID CONDUIT AND SAID BODY.
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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |