US3286580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blind rivet with self-plugging mandrel
Assignee: Avdel UK Ltd
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Filing: 1965-10-22
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Granted: 1966-11-22
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jeal Harvey Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:21
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1045; F16B19/1054; B; B21; B21J; B21J15/00; B21J15/02; B21J15/04; B21J15/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN COMBINATION, A PAIR OF APERTURED MEMBERS AND A FASTENER FOR USE IN THE BLIND RIVETING THEREOF, SAID FASTENER BEING DISPOSED THROUGH APERTURES IS SAID MEMBERS AND COMPRISING A RIVET HAVING AN ANNULAR HEAD AND A TUBULAR SHANK WITH A SUBSTANTIALLY SQUARED-OFF ANULAR END PORTION TELESCOPED OVER A SELF-PLUGGING MANDREL, SAID TUBULAR SHANK HAVING A PORTION THEREOF OF UNIFORMLY REDUCED EXTERNAL DIAMETER RELATIVE TO THE REMAINDER OF SAID SHANK, SAID PORTION BEING SLIGHTLY GREATER IN AXIAL LENGTH THAN THE COMBINED TOTAL THICKNESS OF SAID MEMBERS AND DISPOSED SO THAT A PLANE DEFINING THE ABUTTING FACES OF SAID MEMBERS INTERSECTS SAID PORTION INTERMEDIATE THE AXIAL ENDS THEREOF, SAID MANDREL BEING FORMED WITH A MUSHROOM-LIKE HEAD AND A STEM PORTION EXTENDING FROM THE UNDERSIDE OF SAID HEAD, THE UNDERSIDE OF SAID HEAD BEING DISHED TO FORM THE PERIPHERAL EDGE OF SAID HEAD
Claim 2
Dependent Claim
140 words
IN COMBINATION, A PAIR OF APERTURED MEMBERS AND A FASTENER FOR USE IN THE BLIND RIVETING THEREOF, SAID FASTENER BEING DISPOSED THROUGH APERTURES IS SAID MEMBERS AND COMPRISING A RIVET HAVING AN ANNULAR HEAD AND A TUBULAR SHANK WITH A SUBSTANTIALLY SQUARED-OFF ANULAR END PORTION TELESCOPED OVER A SELF-PLUGGING MANDREL, SAID TUBULAR SHANK HAVING A PORTION THEREOF OF UNIFORMLY REDUCED EXTERNAL DIAMETER RELATIVE TO THE REMAINDER OF SAID SHANK, SAID PORTION BEING SLIGHTLY GREATER IN AXIAL LENGTH THAN THE COMBINED TOTAL THICKNESS OF SAID MEMBERS AND DISPOSED SO THAT A PLANE DEFINING THE ABUTTING FACES OF SAID MEMBERS INTERSECTS SAID PORTION INTERMEDIATE THE AXIAL ENDS THEREOF, SAID MANDREL BEING FORMED WITH A MUSHROOM-LIKE HEAD AND A STEM PORTION EXTENDING FROM THE UNDERSIDE OF SAID HEAD, THE UNDERSIDE OF SAID HEAD BEING DISHED TO FORM THE PERIPHERAL EDGE OF SAID HEAD
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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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |