US3233497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring finger retaining rings
Assignee: Ramsey Corp
•
Filing: 1963-12-12
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Granted: 1966-02-08
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Expires: 1983-12-12
Abstract
No abstract record available.
Inventors
- 👤 Harold E Mccormick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:09
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/18; F16B2200/00; F16B2200/10; Y; Y10; Y10T; Y10T403/00; Y10T403/46; Y10T403/70; Y10T403/7075; Y10T403/7077
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
A RETAINER RING FOR USE WITH A FIRST PART HAVING A HOLE THEREIN TO BE LOCKED AXIALLY AND CIRCUMFERENTIALLY RELATIVE THERETO TO PROVIDE AN ABUTMENT SHOULDER FOR A SECOND PART WHICH COMPRISES AN ANNULAR BODY HAVING AN INNER PERIPHERY, AN OUTER PERIPHERY, AND A PAIR OF FLAT FACES THEREBETWEEN, A PAIR OF DIAMETRICALLY OPPOSED SPRING FINGERS PROJECTING LATERALLY AND INWARDLY FROM THE INNER PERIPHERY OF ONE FACE OF THE BODY, TABS ON THE ENDS OF THE SPRING FINGERS EXTENDING RADIALLY INWARDLY IN ANGULAR RELATION TO THE FINGERS AND LYING SUBSTANTIALLY PARALLEL TO THE PLANE OF THE BODY, SAID TABS BEING OF LESS WIDTH THAN THE SPRING FINGERS AND PROJECTING FROM THE CENTRAL PORTIONS OF THE ENDS OF THE SPRING FINGERS FOR FITTING INTO THE HOLES OF THE FIRST PART, SAID SPRING FINGERS HAVING END EDGES ON EACH SIDE OF THE TABS WITH THE WIDTH OF SAID FINGERS AT SAID END EDGES BEING GREATER THAN THE DIAMETER OF THE HOLE OF THE FIRST PART TO PROVIDE SHOULDERS FOR ENGAGING THE FIRST PART AT THE MOUTHS OF THE HOLE FOR LIMITING THE DEGREE OF PROJECTION OF THE TABS INTO THE HOLE, AND SAID TABS BEING FLANGED ALONG EACH SIDE THEREOF TO STIFFEN THE TABS AGAINST BENDING.
Claim 2
Dependent Claim
204 words
A RETAINER RING FOR USE WITH A FIRST PART HAVING A HOLE THEREIN TO BE LOCKED AXIALLY AND CIRCUMFERENTIALLY RELATIVE THERETO TO PROVIDE AN ABUTMENT SHOULDER FOR A SECOND PART WHICH COMPRISES AN ANNULAR BODY HAVING AN INNER PERIPHERY, AN OUTER PERIPHERY, AND A PAIR OF FLAT FACES THEREBETWEEN, A PAIR OF DIAMETRICALLY OPPOSED SPRING FINGERS PROJECTING LATERALLY AND INWARDLY FROM THE INNER PERIPHERY OF ONE FACE OF THE BODY, TABS ON THE ENDS OF THE SPRING FINGERS EXTENDING RADIALLY INWARDLY IN ANGULAR RELATION TO THE FINGERS AND LYING SUBSTANTIALLY PARALLEL TO THE PLANE OF THE BODY, SAID TABS BEING OF LESS WIDTH THAN THE SPRING FINGERS AND PROJECTING FROM THE CENTRAL PORTIONS OF THE ENDS OF THE SPRING FINGERS FOR FITTING INTO THE HOLES OF THE FIRST PART, SAID SPRING FINGERS HAVING END EDGES ON EACH SIDE OF THE TABS WITH THE WIDTH OF SAID FINGERS AT SAID END EDGES BEING GREATER THAN THE DIAMETER OF THE HOLE OF THE FIRST PART TO PROVIDE SHOULDERS FOR ENGAGING THE FIRST PART AT THE MOUTHS OF THE HOLE FOR LIMITING THE DEGREE OF PROJECTION OF THE TABS INTO THE HOLE, AND SAID TABS BEING FLANGED ALONG EACH SIDE THEREOF TO STIFFEN THE TABS AGAINST BENDING.
References Cited (Backward Citations)
US2211728A
Cited
US2252286A
Cited
US2468847A
Cited
US2577319A
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US2615759A
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US2712262A
Cited
GB780237A
Cited
US3032807A
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |