Patent US3864186A successfully refreshed from Google Patents.
Patent US3177916A successfully refreshed from Google Patents.
US3177916A
Expired / Lapsed
US
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Self-aligning two-part threaded fastener unit
Assignee: Rosan Engineering Corp
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Filing: 1963-02-20
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Granted: 1965-04-13
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Expires: 1983-02-20
Abstract
No abstract record available.
Inventors
- 👤 Rosan Jose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:57
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/06; F16B37/062; F16B37/068; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968; Y10S411/969
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A TWO-PART SEL-ALIGNING FASTENER, THE COMBINATION COMPRISING: A FIRST BODY, SAID FIRST BODY BEING TUBULAR AND HAVING AN INTERNAL ANNULAR SHOULDER, SAID BODY PROVIDED WILTH INTEGRAL MEANS FOR MOUNTING SAID FIRST BODY IN A WORKPIECE AND FOR PREVENTING ROTATION OF SAID FIRST BODY, SAID FIRST BODY HAVING A TUBULAR PORTION EXTENDING UPWARDLY AWAY FROM SAID SHOULDER, SAID TUBULAR PORTION HAVING DIAMETRICALLY OPPOSED APERTURES EXTENDING THERETHROUGH ADJACENT SAID ANNULAR SHOULDER, SAID TUBULAR PORTION BEING DEFORMED INWARDLY TO PROVIDE DIAMETRICALLY OPPOSED FLAT AREAS EXTENDING LONGITUDINALLY UPWARDLY FROM AND CIRCUMFERENTIALLY COEXTENSIVE WITH SAID APERTURES: A CYLINDRICAL SECOND BODY, SAID SECOND BODY BEING WITHIN SAID FIRST BODY AND SEATED UPON SAID INTERNAL ANNULAR SHOULDER CARRIED BY SAID FIRST BODY SO AS TO AXIALLY EXTEND INTO SAID UPWARDLY EXTENDING TUBULAR PORTION OF SAID FIRST BODY, SAID SECOND BODY BEING PROVIDED WITH DIAMETRICALLY OPPOSED OUTWARDLY EX-
Claim 2
Dependent Claim
140 words
A TWO-PART SEL-ALIGNING FASTENER, THE COMBINATION COMPRISING: A FIRST BODY, SAID FIRST BODY BEING TUBULAR AND HAVING AN INTERNAL ANNULAR SHOULDER, SAID BODY PROVIDED WILTH INTEGRAL MEANS FOR MOUNTING SAID FIRST BODY IN A WORKPIECE AND FOR PREVENTING ROTATION OF SAID FIRST BODY, SAID FIRST BODY HAVING A TUBULAR PORTION EXTENDING UPWARDLY AWAY FROM SAID SHOULDER, SAID TUBULAR PORTION HAVING DIAMETRICALLY OPPOSED APERTURES EXTENDING THERETHROUGH ADJACENT SAID ANNULAR SHOULDER, SAID TUBULAR PORTION BEING DEFORMED INWARDLY TO PROVIDE DIAMETRICALLY OPPOSED FLAT AREAS EXTENDING LONGITUDINALLY UPWARDLY FROM AND CIRCUMFERENTIALLY COEXTENSIVE WITH SAID APERTURES: A CYLINDRICAL SECOND BODY, SAID SECOND BODY BEING WITHIN SAID FIRST BODY AND SEATED UPON SAID INTERNAL ANNULAR SHOULDER CARRIED BY SAID FIRST BODY SO AS TO AXIALLY EXTEND INTO SAID UPWARDLY EXTENDING TUBULAR PORTION OF SAID FIRST BODY, SAID SECOND BODY BEING PROVIDED WITH DIAMETRICALLY OPPOSED OUTWARDLY EX-
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |