Patent US3310326A successfully refreshed from Google Patents.
US3310326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retainer
Assignee: Illinois Tool Works Inc
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Filing: 1964-11-19
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Granted: 1967-03-21
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Expires: 1984-11-19
Abstract
No abstract record available.
Inventors
- 👤 Robert R Melone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:13
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/18; F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0666; F16C11/0671; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32721
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
A ONE PIECE SHEET METAL RETAINER ADAPTED TO RETAIN A COMPRESSIBLE FLEXIBLE MEMBER HAVING AN ANNULAR BEAD AT ONE EXTREMITY IN ASSOCIATION WITH A PREDETERMINED AXIAL LOCATION ON THE OUTER PERIPHERY OF A TAPERED WORKPIECE, SAID RETAINER INCLUDING A CONTINUOUS ANNULAR CHANNEL SHAPED BODY HAVING A PAIR OF ANNULAR EDGES SPACED ALONG THE CENTRAL AXIS OF SAID RETAINER WITH EACH EDGE FACING RADIALLY INWARDLY TOWARD SAID AXIS AND SAID WORKPIECE, A PLURALITY OF CIRCUMFERENTIALLY SPACED INTEGRAL RESILIENT TEETH ABOUT ONE OF SAID EDGES INITIALLY EXTENDING RADIALLY INWARDLY TOWARD SAID AXIS, FLANGE MEANS EXTENDING INTEGRALLY FROM THE OTHER EDGE AND ALONG SAID AXIS AND AWAY FROM SAID TEETH DIAMETRICALLY OPPOSED PAIRS OF SAID TEETH BEING DIAMETRALLY SPACED A PREDETERMINED DISTANCE LESS THAN THE DIAMETRICAL SIZE OF SAID PREDETERMINED LOCATION ON SAID WORKPIECE WHEREBY SAID TEETH ARE ADAPTED TO FLEX IN THE DIRECTION OF SAID SECOND EDGE DURING APPLICATION TO SAID WORKPIECE AN AMOUNT LESS THAN THAT NECESSARY TO FRACTURE SAID TEETH AND YET PERMIT THEM TO BE SEATED AND BITE INTO SAID WORKPIECE AT SAID PREDETERMINED LOCATION, SAID TEETH FURTHER BEING ADAPTED WHEN FLEXED TO AGGRESSIVELY GRIP SAID ANNULAR BEAD WITHIN SAID CHANNEL SHAPED BODY.
Claim 2
Dependent Claim
194 words
A ONE PIECE SHEET METAL RETAINER ADAPTED TO RETAIN A COMPRESSIBLE FLEXIBLE MEMBER HAVING AN ANNULAR BEAD AT ONE EXTREMITY IN ASSOCIATION WITH A PREDETERMINED AXIAL LOCATION ON THE OUTER PERIPHERY OF A TAPERED WORKPIECE, SAID RETAINER INCLUDING A CONTINUOUS ANNULAR CHANNEL SHAPED BODY HAVING A PAIR OF ANNULAR EDGES SPACED ALONG THE CENTRAL AXIS OF SAID RETAINER WITH EACH EDGE FACING RADIALLY INWARDLY TOWARD SAID AXIS AND SAID WORKPIECE, A PLURALITY OF CIRCUMFERENTIALLY SPACED INTEGRAL RESILIENT TEETH ABOUT ONE OF SAID EDGES INITIALLY EXTENDING RADIALLY INWARDLY TOWARD SAID AXIS, FLANGE MEANS EXTENDING INTEGRALLY FROM THE OTHER EDGE AND ALONG SAID AXIS AND AWAY FROM SAID TEETH DIAMETRICALLY OPPOSED PAIRS OF SAID TEETH BEING DIAMETRALLY SPACED A PREDETERMINED DISTANCE LESS THAN THE DIAMETRICAL SIZE OF SAID PREDETERMINED LOCATION ON SAID WORKPIECE WHEREBY SAID TEETH ARE ADAPTED TO FLEX IN THE DIRECTION OF SAID SECOND EDGE DURING APPLICATION TO SAID WORKPIECE AN AMOUNT LESS THAN THAT NECESSARY TO FRACTURE SAID TEETH AND YET PERMIT THEM TO BE SEATED AND BITE INTO SAID WORKPIECE AT SAID PREDETERMINED LOCATION, SAID TEETH FURTHER BEING ADAPTED WHEN FLEXED TO AGGRESSIVELY GRIP SAID ANNULAR BEAD WITHIN SAID CHANNEL SHAPED BODY.
References Cited (Backward Citations)
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US3021157A
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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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |