US3132557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction type dowel and ring keeper therefor
Assignee: Northern Ordnance Inc
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Filing: 1960-08-03
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Granted: 1964-05-12
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Expires: 1980-08-03
Abstract
No abstract record available.
Inventors
- 👤 Myron J Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:44
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/18; F16B19/00; F16B19/02; F16B21/186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN COMBINATION, A DOWEL HAVING AN ANNULAR GROOVE IN ITS PERIPHERAL SURFACE INTERMEDIATE ITS ENDS, AND AN ANNULAR RESILIENT NYLON SPLIT RING KEEPER WITH ITS ENDS SPACED APART AND BEING OF RECTANGULAR CROSS SECTION SUBSTANTIALLY CONTAINED WITHIN SAID GROOVE AND HAVING ONE SIDE THEREOF EXTENDING OUTWARDLY ABOUT 0.005-0.010 INCH PAST THE SURFACE OF SAID DOWEL, WITH THE INNER DIAMETER OF SAID SPLIT RING KEEPER BEING EQUAL TO THE INNER DIAMETER OF SAID GROOVE, AND WITH THE WIDTH OF THE INNER DIAMETER PORTION OF SAID GROOVE IN SAID DOWEL BEING ABOUT 0.008-0.010 INCH GREATER THAN THE WIDTH OF SAID RING
Claim 2
Dependent Claim
99 words
IN COMBINATION, A DOWEL HAVING AN ANNULAR GROOVE IN ITS PERIPHERAL SURFACE INTERMEDIATE ITS ENDS, AND AN ANNULAR RESILIENT NYLON SPLIT RING KEEPER WITH ITS ENDS SPACED APART AND BEING OF RECTANGULAR CROSS SECTION SUBSTANTIALLY CONTAINED WITHIN SAID GROOVE AND HAVING ONE SIDE THEREOF EXTENDING OUTWARDLY ABOUT 0.005-0.010 INCH PAST THE SURFACE OF SAID DOWEL, WITH THE INNER DIAMETER OF SAID SPLIT RING KEEPER BEING EQUAL TO THE INNER DIAMETER OF SAID GROOVE, AND WITH THE WIDTH OF THE INNER DIAMETER PORTION OF SAID GROOVE IN SAID DOWEL BEING ABOUT 0.008-0.010 INCH GREATER THAN THE WIDTH OF 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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |