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US3295578A Expired / Lapsed US ⏱️ 0.0 years remaining

Fastening device

Assignee: Individual
•
Filing: 1964-06-29
•
Granted: 1967-01-03
•
Expires: 1984-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 Emile A Maloof

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 00:46
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/02; F16B5/0208; F16B39/00; F16B39/22; F16B39/28; F16B39/32; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/95; Y10S411/951; Y10S411/999

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 157 words
A FASTENER FOR SECURING TOGETHER TWO MEMBERS HAVING ALIGNED APERTURES COMPRISING: AN EXTERIORLY THREADED BOLT; A CYLINDRICAL SLEEVE MEMBER SURROUNDING SAID BOLT IN SPACED RELATIONSHIP THERETO AND BEING ATTACHABLE TO ONE OF THE MEMBERS SO AS TO BE AXIALLY ALIGNED WITH THE APERTURES IN THE MEMBERS; MEANS CONNECTING ONE END OF THE BOLT TO SAID SLEEVE FOR PREVENTING RELATIVE MOVEMENT BETWEEN SAID BOLT AND SLEEVE; SAID SLEEVE HAVING A PERIPHERAL GROOVE IN ITS EXTERIOR ADJACENT THE END THEREOF NEAREST SAID ONE PLATE AND AT LEAST ONE RADIAL PASSAGE EXTENDING BETWEEN SAID GROOVE AND THE INTERIOR OF SAID SLEEVE; AN ARCUATE SPRING CARRIED IN SAID GROOVE, SAID SPRING HAVING A YIELDABLE LOCKING FINGER EXTENDING LOOSELY THROUGH SAID RADIAL PASSAGE AND BIASED BY SAID SPRING INWARDLY BEYOND THE INTERIOR OF SAID SLEEVE, SAID LOCKING FINGER TERMINATING IN TWO ANGULARLY INTERSECTING WALLS; AN INTERIORLY THREADED TUBULAR NUT INSERTABLE THROUGH THE APERTURES IN THE MEMBERS FOR COOPERATIVELY ENGAGING SAID BOLT, SAID
Claim 2
Dependent Claim 157 words
A FASTENER FOR SECURING TOGETHER TWO MEMBERS HAVING ALIGNED APERTURES COMPRISING: AN EXTERIORLY THREADED BOLT; A CYLINDRICAL SLEEVE MEMBER SURROUNDING SAID BOLT IN SPACED RELATIONSHIP THERETO AND BEING ATTACHABLE TO ONE OF THE MEMBERS SO AS TO BE AXIALLY ALIGNED WITH THE APERTURES IN THE MEMBERS; MEANS CONNECTING ONE END OF THE BOLT TO SAID SLEEVE FOR PREVENTING RELATIVE MOVEMENT BETWEEN SAID BOLT AND SLEEVE; SAID SLEEVE HAVING A PERIPHERAL GROOVE IN ITS EXTERIOR ADJACENT THE END THEREOF NEAREST SAID ONE PLATE AND AT LEAST ONE RADIAL PASSAGE EXTENDING BETWEEN SAID GROOVE AND THE INTERIOR OF SAID SLEEVE; AN ARCUATE SPRING CARRIED IN SAID GROOVE, SAID SPRING HAVING A YIELDABLE LOCKING FINGER EXTENDING LOOSELY THROUGH SAID RADIAL PASSAGE AND BIASED BY SAID SPRING INWARDLY BEYOND THE INTERIOR OF SAID SLEEVE, SAID LOCKING FINGER TERMINATING IN TWO ANGULARLY INTERSECTING WALLS; AN INTERIORLY THREADED TUBULAR NUT INSERTABLE THROUGH THE APERTURES IN THE MEMBERS FOR COOPERATIVELY ENGAGING SAID BOLT, SAID

References Cited (Backward Citations)

US3123119A Cited
US1168613A Cited
FR664962A Cited
US2398827A Cited
US2396142A Cited
US2850781A Cited
US2853112A Cited
US2922211A Cited
US2991816A Cited
US3192980A Cited
US3180388A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-02 1970-07-04 1971-01-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-02 1974-07-04 1975-01-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-02 1978-07-04 1979-01-03 $7700.00 Window Closed / Lapsed

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