US3247559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fasteners with invertible bases
Assignee: Individual
•
Filing: 1965-01-08
•
Granted: 1966-04-26
•
Expires: 1985-01-08
Abstract
No abstract record available.
Inventors
- 👤 Robert V Mathison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:19
CPC Classifications
A; A44; A44B; A44B18/00; A44B18/0069; A44B18/0096; A44B18/0046; C; C08; C08L; C08L2201/00; C08L2201/12; Y; Y10; Y10T; Y10T24/00; Y10T24/27; Y10T24/2742; Y10T24/2792
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A FASTENER ARTICLE COMPRISING A BASE HAVING AT LEAST ONE TRANSVERSE, INVERTIBLE CURVATURE PROVIDING A CONVEX FACE AND A CONCAVE FACE, A PLURALITY OF PROJECTIONS EMANATING FORM ONE OF SAID FACES WITH THE LONGITUDINAL AXES THEREOF BEING ESSENTIALLY PARALLEL, AND SAID PROJECTIONS, UPON INVERSION OF SAID BASE AND THE RESPECTIVE FACES THEREOF, ASSUMING ORIENTATIONS WHEREIN THE LONGITUDINAL AXES OF PROJECTIONS TOWARD ONE END OF THE RESPECTIVE, TRANSVERSE CURVATURES CHANGE ORIENTATIONS RELATIVE TO THE LONGITUDIANL AXES OF OTHER PROJECTIONS TOWARD THE OPPOSITE ENDS OF SAID RESPECTIVE, TRANSVERSE CURVATURES, SAID BASE HAVING A FLEXIBILITY TO SNAP INTO SAID INVERTIBILE CURVATURE UPON APPLICATION OF PRESSURE TO CAUSE INVERSION OF SAID BASE AND HAVING SUFFICIENT RIGIDITY IN EITHER TRANSVERSELY CURVED POSITION TO REMAIN THEREIN.
Claim 2
Dependent Claim
120 words
A FASTENER ARTICLE COMPRISING A BASE HAVING AT LEAST ONE TRANSVERSE, INVERTIBLE CURVATURE PROVIDING A CONVEX FACE AND A CONCAVE FACE, A PLURALITY OF PROJECTIONS EMANATING FORM ONE OF SAID FACES WITH THE LONGITUDINAL AXES THEREOF BEING ESSENTIALLY PARALLEL, AND SAID PROJECTIONS, UPON INVERSION OF SAID BASE AND THE RESPECTIVE FACES THEREOF, ASSUMING ORIENTATIONS WHEREIN THE LONGITUDINAL AXES OF PROJECTIONS TOWARD ONE END OF THE RESPECTIVE, TRANSVERSE CURVATURES CHANGE ORIENTATIONS RELATIVE TO THE LONGITUDIANL AXES OF OTHER PROJECTIONS TOWARD THE OPPOSITE ENDS OF SAID RESPECTIVE, TRANSVERSE CURVATURES, SAID BASE HAVING A FLEXIBILITY TO SNAP INTO SAID INVERTIBILE CURVATURE UPON APPLICATION OF PRESSURE TO CAUSE INVERSION OF SAID BASE AND HAVING SUFFICIENT RIGIDITY IN EITHER TRANSVERSELY CURVED POSITION TO REMAIN THEREIN.
References Cited (Backward Citations)
FR957110A
Cited
US1465717A
Cited
US1921999A
Cited
US2587292A
Cited
US3031730A
Cited
US3134152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |