Patent US3571906A successfully refreshed from Google Patents.
Patent US3213642A successfully refreshed from Google Patents.
US3213642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slip-on coupling with overload ring
Assignee: Individual
•
Filing: 1963-03-18
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Granted: 1965-10-26
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Arnold S Stern
- 👤 Benjamin B Stern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:45
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/72; F16D3/74; F16D7/00; F16D7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
IN A FLEXIBLE COUPLING STRUCTURE, A TUBULAR SLEEVE INCLUDING A RADIALLY OUTER SLEEVE SURFACE AREA WHICH SLEEVE IS COMPRISED OF A SUITABLE DEFLECTABLE ELASTOMERIC MATERIAL, THE SLEEVE HAVING AN INTERNAL TUBULAR WALL AREA PROVIDED WITH ANGULAR SLEEVE CORNERS, AND MEANS AT THE OPPOSITE ENDS OF THE SLEEVE FOR EFFECTING CONNECTIONS WITH MEMBERS TO BE COUPLED, AT LEAST ONE OF SAID MEANS BEING A HEADED BUSHING WHICH HAS A SHANK PORTION TELESCOPINGLY ENGAGED WITH SAID TUBULAR WALL AREA AND A HEAD PORTION, THE BUSHING HAVING A CENTRAL AREA FOR RECEIPT OF A SHAFT, THE HEAD PORTION BEING IN ABUTMENT WITH AN END OF THE SLEEVE LEAVING THE RADIALLYOUTER SURFACE AREA OF THE SLEEVE FREE OF THE BUSHING AND ITS HEAD PORTION, THE SHANK PORTION HAVINT ITS EXTERNAL SURFACE AREA PROVIDED WITH ANGULAR BUSHING CORNERS IN ABUTTING ENGAGEMENT WITH THE ANGULAR SLEEVE CORNERS, THE SLEEVE MATERIAL AT THE AREA OF THE ANGULAR SLEEVE CORNERS BEING DISPLACEABLE RADIALLY OUTWARDLY UPON
Claim 2
Dependent Claim
157 words
IN A FLEXIBLE COUPLING STRUCTURE, A TUBULAR SLEEVE INCLUDING A RADIALLY OUTER SLEEVE SURFACE AREA WHICH SLEEVE IS COMPRISED OF A SUITABLE DEFLECTABLE ELASTOMERIC MATERIAL, THE SLEEVE HAVING AN INTERNAL TUBULAR WALL AREA PROVIDED WITH ANGULAR SLEEVE CORNERS, AND MEANS AT THE OPPOSITE ENDS OF THE SLEEVE FOR EFFECTING CONNECTIONS WITH MEMBERS TO BE COUPLED, AT LEAST ONE OF SAID MEANS BEING A HEADED BUSHING WHICH HAS A SHANK PORTION TELESCOPINGLY ENGAGED WITH SAID TUBULAR WALL AREA AND A HEAD PORTION, THE BUSHING HAVING A CENTRAL AREA FOR RECEIPT OF A SHAFT, THE HEAD PORTION BEING IN ABUTMENT WITH AN END OF THE SLEEVE LEAVING THE RADIALLYOUTER SURFACE AREA OF THE SLEEVE FREE OF THE BUSHING AND ITS HEAD PORTION, THE SHANK PORTION HAVINT ITS EXTERNAL SURFACE AREA PROVIDED WITH ANGULAR BUSHING CORNERS IN ABUTTING ENGAGEMENT WITH THE ANGULAR SLEEVE CORNERS, THE SLEEVE MATERIAL AT THE AREA OF THE ANGULAR SLEEVE CORNERS BEING DISPLACEABLE RADIALLY OUTWARDLY UPON
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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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |