US3210107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust guards
Assignee: Columbus Auto Parts Co
•
Filing: 1962-07-09
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Granted: 1965-10-05
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Expires: 1982-07-09
Abstract
No abstract record available.
Inventors
- 👤 William A Flumerfelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:56
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0666; F16C11/0671
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A DUST GUARD ADAPTED FOR USE WITH A UNIVERSAL JOINT OF THE TYPE HAVING A HOUSING AND A STUD PROJECTING FORM SAID HOUSING, SAID DUST GUARD COMPRISING A UNITARILY FORMED PIECE OF MATERIAL OF GENERALLY HOLLOW SPHERIODAL SHAPE HAVING A WALL PORTION OF OUTWARDLY CONVEX AND INWARDLY CONCAVE SHAPE, SAID WALL BEING OF SUBSTANTIALLY LESSER THICKNESS AT ONE END THEREOF THAN AT ITS OTHER END AND SAID WALL HAVING AN OPENING AT ITS THIN END AND A RADIALLY INWARDLY EXTENDING ANNULAR FLANGE AT THE THICK END OF SAID WALL DEFINING AN OPENING DISPOSED IN ALIGNMENT WITH THE OPENING AT THE THIN END OF SAID WALL FOR THE RECEPTION OF A STUD EXTENDING THROUGH SAID OPENINGS EACH OF SAID OPENINGS BEING SMALLER THAN THE INSIDE DIAMETER OF SAID WALL.
Claim 2
Dependent Claim
128 words
A DUST GUARD ADAPTED FOR USE WITH A UNIVERSAL JOINT OF THE TYPE HAVING A HOUSING AND A STUD PROJECTING FORM SAID HOUSING, SAID DUST GUARD COMPRISING A UNITARILY FORMED PIECE OF MATERIAL OF GENERALLY HOLLOW SPHERIODAL SHAPE HAVING A WALL PORTION OF OUTWARDLY CONVEX AND INWARDLY CONCAVE SHAPE, SAID WALL BEING OF SUBSTANTIALLY LESSER THICKNESS AT ONE END THEREOF THAN AT ITS OTHER END AND SAID WALL HAVING AN OPENING AT ITS THIN END AND A RADIALLY INWARDLY EXTENDING ANNULAR FLANGE AT THE THICK END OF SAID WALL DEFINING AN OPENING DISPOSED IN ALIGNMENT WITH THE OPENING AT THE THIN END OF SAID WALL FOR THE RECEPTION OF A STUD EXTENDING THROUGH SAID OPENINGS EACH OF SAID OPENINGS BEING SMALLER THAN THE INSIDE DIAMETER OF SAID WALL.
References Cited (Backward Citations)
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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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |