US3072879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terminal block
Assignee: Individual
•
Filing: 1960-04-08
•
Granted: 1963-01-08
•
Expires: 1980-04-08
Abstract
No abstract record available.
Inventors
- 👤 Edmond C Crowther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:41
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/28; H01R4/30; H01R4/308
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
276 words
A TERMINAL BLOCK FOR REMOVABLY RETAINING A PLURALITY OF DISCRETE CONDUCTORS, INCLUDING A DIELECTRIC BASE AND A PLURALITY OF METALLIC CONNECTORS, SAID BASE HAVING A PLURALITY OF POLYGONAL SHAPED BORES ANGULARLY DISPOSED RELATIVE TO THE TOP FACE OF SAID BASE AND OPENING OUTWARDLY RELATIVE TO THE TOP FACE OF SAID BASE ADAPTED TO ACCEPT SAID CONNECTORS, EACH OF SAID CONNECTORS INCLUDING A METALLIC U-SHAPED CAGE, A SCREW, A METALLIC SPRING, SAID CAGE HAVING AN APERTURE POLYGONAL BASE COMPLEMENTARY TO AND NON-ROTATABLY ACCEPTABLE WITHIN ONE OF SAID BORES, A PAIR OF ARMS EXTENDING UPWARDLY FROM OPPOSITE MARGINS OF SAID BASE, SAID CAGE BASE APERTURE BEING ADAPTED TO COMPLEMENTARILY ACCEPT SAID SCREW IN THREADED RELATION, SAID SPRING INITIALLY BEING A FLAT BOWED STRIP HAVING A PAIR OF APERTURES ADJACENT OPPOSITE FREE ENDS WHICH ARE SUBSTANTIALLY IN REGISTER WHEN THE STRIP IS IN ITS INITIAL BOWED CONDITION, SAID APERTURED SPRING BEING ADAPTED TO BE TELESCOPICALLY AND ROTATABLY ASSEMBLED WITH SAID SCREW BUT CAPTURED AS TO AXIAL MOVEMENT, SAID BOWED SPRING BEING SUBSTANTIALLY U-SHAPED IN SPACED OPPOSITION TO ONE OF SAID CAGED ARMS, THE BIGHT PORTION OF SAID SPRING ADAPTED TO BE MOVED LATERALLY AS THE FREE ENDS ARE MOVED INTO CLOSER PROXIMAL RELATIONSHIP WHEN THE SCREW IS ADVANCED INTO THE THREADED APERTURE, SAID BIGHT PORTION OF THE SPRING AND THE ARM WITH WHICH IT IS IN OPPOSITION BEING OF LESSER WIDTH THAN THE OTHER ARM, SAID DIELECTRIC BASE BORE BEING COMPLEMENTARY TO THE NARROWED BIGHT AND ARM, WHEREBY A CONDUCTOR POSITIONED BETWEEN SAID BIGHT AND SAID ARM WILL BE RELEASABLY RETAINED AS THE BIGHT IS LATERALLY MOVED AND WILL BE RESTRICTED AGAINST LATERAL MOVEMENT BY THE NARROWED BASE BORE.
Claim 2
Dependent Claim
276 words
A TERMINAL BLOCK FOR REMOVABLY RETAINING A PLURALITY OF DISCRETE CONDUCTORS, INCLUDING A DIELECTRIC BASE AND A PLURALITY OF METALLIC CONNECTORS, SAID BASE HAVING A PLURALITY OF POLYGONAL SHAPED BORES ANGULARLY DISPOSED RELATIVE TO THE TOP FACE OF SAID BASE AND OPENING OUTWARDLY RELATIVE TO THE TOP FACE OF SAID BASE ADAPTED TO ACCEPT SAID CONNECTORS, EACH OF SAID CONNECTORS INCLUDING A METALLIC U-SHAPED CAGE, A SCREW, A METALLIC SPRING, SAID CAGE HAVING AN APERTURE POLYGONAL BASE COMPLEMENTARY TO AND NON-ROTATABLY ACCEPTABLE WITHIN ONE OF SAID BORES, A PAIR OF ARMS EXTENDING UPWARDLY FROM OPPOSITE MARGINS OF SAID BASE, SAID CAGE BASE APERTURE BEING ADAPTED TO COMPLEMENTARILY ACCEPT SAID SCREW IN THREADED RELATION, SAID SPRING INITIALLY BEING A FLAT BOWED STRIP HAVING A PAIR OF APERTURES ADJACENT OPPOSITE FREE ENDS WHICH ARE SUBSTANTIALLY IN REGISTER WHEN THE STRIP IS IN ITS INITIAL BOWED CONDITION, SAID APERTURED SPRING BEING ADAPTED TO BE TELESCOPICALLY AND ROTATABLY ASSEMBLED WITH SAID SCREW BUT CAPTURED AS TO AXIAL MOVEMENT, SAID BOWED SPRING BEING SUBSTANTIALLY U-SHAPED IN SPACED OPPOSITION TO ONE OF SAID CAGED ARMS, THE BIGHT PORTION OF SAID SPRING ADAPTED TO BE MOVED LATERALLY AS THE FREE ENDS ARE MOVED INTO CLOSER PROXIMAL RELATIONSHIP WHEN THE SCREW IS ADVANCED INTO THE THREADED APERTURE, SAID BIGHT PORTION OF THE SPRING AND THE ARM WITH WHICH IT IS IN OPPOSITION BEING OF LESSER WIDTH THAN THE OTHER ARM, SAID DIELECTRIC BASE BORE BEING COMPLEMENTARY TO THE NARROWED BIGHT AND ARM, WHEREBY A CONDUCTOR POSITIONED BETWEEN SAID BIGHT AND SAID ARM WILL BE RELEASABLY RETAINED AS THE BIGHT IS LATERALLY MOVED AND WILL BE RESTRICTED AGAINST LATERAL MOVEMENT BY THE NARROWED BASE BORE.
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |