Patent US2276714A successfully refreshed from Google Patents.
Patent US3295578A successfully refreshed from Google Patents.
US3295578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: Individual
•
Filing: 1964-06-29
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Granted: 1967-01-03
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Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Emile A Maloof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:23
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
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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) | 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 |