Patent US3091900A successfully refreshed from Google Patents.
US3091900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work supporting means for centerless grinders
Assignee: Individual
•
Filing: 1960-09-02
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Granted: 1963-06-04
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Expires: 1980-09-02
Abstract
No abstract record available.
Inventors
- 👤 George R Whittenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:49
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/18; B24B5/307
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
126 words
A FIXTURE FOR USE WITH A CENTERLESS GRINDING MACHINE FOR THE PURPOSE OF SUPPORTING A WORKPIECE TO BE GROUND BY SAID MACHINE, THE FIXTURE INCLUDING A HORIZONTAL GUIDE TUBE, A PLURALITY OF SPACED STANDARDS SUPPORTABLY ENGAGING SAID TUBE, A PLURALITY OF V-SHAPED BRACKET ASSEMBLIES FOR SUPPORTING THE WORKPIECE, EACH BRACKET ASSEMBLY COMPRISING A REACTION BRACKET SECURED TO SAID GUIDE TUBE, A PAIR OF SLEEVES SLIDABLY MOUNTED ON SAID GUIDE TUBE AND BEARING AGAINST OPPOSITE SIDES OF SAID REACTION BRACKET, AN ARM RADIALLY EXTENDING FROM EACH SLEEVE, THE ARMS BEING DISPOSED IN A V-SHAPED FORMATION WITH RESPECT TO EACH OTHER, A ROLLER MOUNTED UPON EACH ARM, THE ROLLERS ON BOTH ARMS BEING ADAPTED TO SUPPORT A WORKPIECE IN THE GAP BETWEEN THE TWO ARMS, MEANS TO ADJUST
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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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |