Patent US3348864A successfully refreshed from Google Patents.
US3348864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling member and process for making same
Assignee: Individual
•
Filing: 1963-03-27
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Granted: 1967-10-24
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Expires: 1983-03-27
Abstract
No abstract record available.
Inventors
- 👤 Ulderup Jurgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:48
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0619; F16C11/0623; F16C11/0657; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32196; Y10T403/32204; Y10T403/32606; Y10T403/32631; Y10T403/32737; Y10T403/32778
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A COUPLING MEMBER FOR A UNIVERSAL JOINT, COMPRISING A SPHERICALLY CONCAVE BEARING SHELL ENCOMPASSING SLIGHTLY MORE THAN A HEMISPHERE, SAID SHELL BEING BOUNDED BY A CIRCULAR RIM WITH A DIAMETER SLIGHTLY LESS THAN THE DIAMETER OF THE INTERIOR OF SAID SHELL; A TUBULAR INSERT SPACEDLY ALIGNED WITH THE SHELL AND EXTENDING SUBSTANTIALLY RADIALLY THEREOF AND PARALLEL TO THE PLANE OF THE RIM; A BODY OF SYNTHETIC RESINOUS MATERIAL ENVELOPING SAID SHELL AND SAID TUBE WHILE CONFORMING THERETO AND LEAVING SAID RIM AND AN END OF SAID TUBE REMOTE FROM SAID SHELL AND EXPOSED; AND A FLEXIBLE METALLIC GUARD RING EMBEDDED IN SAID BODY ADJACENT SAID RIM, SAID RING HAVING AN INNER DIAMETER SLIGHTLY LESS THAN THAT OF SAID RIM AND BEING SPREADABLE AGAINST THE SURROUNDING RESINOUS MATERIAL, SAID BODY HAVING A GENERALLY SHPEROIDAL PORTION SURROUNDING SAID SHELL AND FORMING A MOUTH CONVERGING INWARDLY TOWARD SAID RING.
Claim 2
Dependent Claim
146 words
A COUPLING MEMBER FOR A UNIVERSAL JOINT, COMPRISING A SPHERICALLY CONCAVE BEARING SHELL ENCOMPASSING SLIGHTLY MORE THAN A HEMISPHERE, SAID SHELL BEING BOUNDED BY A CIRCULAR RIM WITH A DIAMETER SLIGHTLY LESS THAN THE DIAMETER OF THE INTERIOR OF SAID SHELL; A TUBULAR INSERT SPACEDLY ALIGNED WITH THE SHELL AND EXTENDING SUBSTANTIALLY RADIALLY THEREOF AND PARALLEL TO THE PLANE OF THE RIM; A BODY OF SYNTHETIC RESINOUS MATERIAL ENVELOPING SAID SHELL AND SAID TUBE WHILE CONFORMING THERETO AND LEAVING SAID RIM AND AN END OF SAID TUBE REMOTE FROM SAID SHELL AND EXPOSED; AND A FLEXIBLE METALLIC GUARD RING EMBEDDED IN SAID BODY ADJACENT SAID RIM, SAID RING HAVING AN INNER DIAMETER SLIGHTLY LESS THAN THAT OF SAID RIM AND BEING SPREADABLE AGAINST THE SURROUNDING RESINOUS MATERIAL, SAID BODY HAVING A GENERALLY SHPEROIDAL PORTION SURROUNDING SAID SHELL AND FORMING A MOUTH CONVERGING INWARDLY TOWARD SAID RING.
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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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |