← Back to Patent Explorer
US3144290A Expired / Lapsed US ⏱️ 0.0 years remaining

Multiple-point electrical connector

Assignee: Blonder Tongue Electronics
•
Filing: 1961-03-20
•
Granted: 1964-08-11
•
Expires: 1981-03-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Isaac S Blonder

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:44
CPC Classifications
H; H01; H01R; H01R24/00; H01R24/28; H01R2103/00; Y; Y10; Y10S; Y10S411/00; Y10S411/918

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 225 words
A CONNECTOR FOR PROVIDING READY CONNECTION TO AND DISCONNECTION FROM A RADIO FREQUENCY TRANSMISSION LINE, COMPRISING, IN COMBINATION, A PAIR OF SUBSTANTIALLY PARALLEL PLANAR LUGS EACH HAVING AT A CORRESPONDING END THEREOF A PAIR OF OPPOSITE LATERAL ARMS CURVING TRANSVERSELY OUT OF THE PLANE OF THE LUG INTO THE FORM OF A SUBSTANTIALLY ELLIPTICAL CROSS-SECTION TUBULAR RECEPTACLE WITH A LONGITUDINAL SPLIT EXTENDING ALONG THE LUG BETWEEN SAID ARMS, SAID RECEPTACLE HAVING AN ENTRANCE EXTREMITY WITH EDGE PORTIONS FLARING OUTWARDLY ADJACENT THE SPLIT, AND MEANS FOR ESTABLISHING A RELEASABLE RADIO FREQUENCY CONNECTION TO SAID LUGS AND SIMULTANEOUSLY CLEANING THE INNER WALLS OF SAID RECEPTACLES SUBSTANTIALLY THROUGHOUT THEIR LENGTH AT REGIONS ADJACENT THE LONGITUDINAL EDGES OF SAID SPLITS AND REGIONS OPPOSITE SAID SPLITS, SAID MEANS COMPRISING A PLUG HAVING A PAIR OF SCREWS ALIGNED WITH SAID RECEPTACLES, RESPECTIVELY, EACH SCREW HAVING A SUBSTANTIALLY CIRCULAR CROSSSECTION WITH AN OUTER THREAD DIAMETER EQUAL SUBSTANTIALLY TO THE MINOR AXIS OF THE SUBSTANTIALLY ELLIPTICAL FLARED ENTRANCE EXTREMITY OF THE CORRESPONDING RECEPTABLE, BUT BEING GREATER THAN THE MINOR AXIS OF THE REMAINDER OF THE SUBSTANTIALLY ELLIPTICAL RECEPTACLE, WHEREBY WHEN SAID SCREWS ARE INSERTED IN SAID RECEPTACLES THROUGH SAID ENTRANCE EXTREMITIES, SAID THREADS SCRAPE SAID REGIONS OF SAID RECEPTACLE WALLS AND FORCE OPEN SAID RECEPTACLE SPLITS TO ESTABLISH CLEAN, RELIABLE RADIO FREQUENCY CONTACT AT SUCCESSIVE THREAD POSITIONS THROUGHOUT THE LENGTH OF SAID REGIONS.
Claim 2
Dependent Claim 225 words
A CONNECTOR FOR PROVIDING READY CONNECTION TO AND DISCONNECTION FROM A RADIO FREQUENCY TRANSMISSION LINE, COMPRISING, IN COMBINATION, A PAIR OF SUBSTANTIALLY PARALLEL PLANAR LUGS EACH HAVING AT A CORRESPONDING END THEREOF A PAIR OF OPPOSITE LATERAL ARMS CURVING TRANSVERSELY OUT OF THE PLANE OF THE LUG INTO THE FORM OF A SUBSTANTIALLY ELLIPTICAL CROSS-SECTION TUBULAR RECEPTACLE WITH A LONGITUDINAL SPLIT EXTENDING ALONG THE LUG BETWEEN SAID ARMS, SAID RECEPTACLE HAVING AN ENTRANCE EXTREMITY WITH EDGE PORTIONS FLARING OUTWARDLY ADJACENT THE SPLIT, AND MEANS FOR ESTABLISHING A RELEASABLE RADIO FREQUENCY CONNECTION TO SAID LUGS AND SIMULTANEOUSLY CLEANING THE INNER WALLS OF SAID RECEPTACLES SUBSTANTIALLY THROUGHOUT THEIR LENGTH AT REGIONS ADJACENT THE LONGITUDINAL EDGES OF SAID SPLITS AND REGIONS OPPOSITE SAID SPLITS, SAID MEANS COMPRISING A PLUG HAVING A PAIR OF SCREWS ALIGNED WITH SAID RECEPTACLES, RESPECTIVELY, EACH SCREW HAVING A SUBSTANTIALLY CIRCULAR CROSSSECTION WITH AN OUTER THREAD DIAMETER EQUAL SUBSTANTIALLY TO THE MINOR AXIS OF THE SUBSTANTIALLY ELLIPTICAL FLARED ENTRANCE EXTREMITY OF THE CORRESPONDING RECEPTABLE, BUT BEING GREATER THAN THE MINOR AXIS OF THE REMAINDER OF THE SUBSTANTIALLY ELLIPTICAL RECEPTACLE, WHEREBY WHEN SAID SCREWS ARE INSERTED IN SAID RECEPTACLES THROUGH SAID ENTRANCE EXTREMITIES, SAID THREADS SCRAPE SAID REGIONS OF SAID RECEPTACLE WALLS AND FORCE OPEN SAID RECEPTACLE SPLITS TO ESTABLISH CLEAN, RELIABLE RADIO FREQUENCY CONTACT AT SUCCESSIVE THREAD POSITIONS THROUGHOUT THE LENGTH OF SAID REGIONS.

References Cited (Backward Citations)

US2017940A Cited
US2076612A Cited
US2109770A Cited
US2157188A Cited
US2779010A Cited
US2743428A Cited
US2820210A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-08-11 1968-02-10 1968-08-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-08-11 1972-02-10 1972-08-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-08-11 1976-02-10 1976-08-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag