Patent US3127709A successfully refreshed from Google Patents.
US3127709A
Expired / Lapsed
US
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Grinding method and grinding head for grinding tooth surfaces of gears with circular tooth trace
Assignee: Individual
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Filing: 1962-07-09
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Granted: 1964-04-07
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Expires: 1982-07-09
Abstract
No abstract record available.
Inventors
- 👤 Waguri Akira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:43
CPC Classifications
B; B23; B23F; B23F9/00; B23F9/02; B23F9/025; B23F19/00; B23F19/002; B23F19/005; B23F23/00; B23F23/12; B23F23/1237; B23F23/1268
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
A GRINDING HEAD FOR USE IN GRINDING THE TOOTH SURFACES OF A GEAR WITH CIRCULAR TOOTH TRACE WHICH COMPRISES A CUP-SHAPED GRINDING WHEEL HAVING A TAPERED GRINDING SURFACE, MEANS MOUNTING SAID GRINDING WHEEL ECCENTRICALLY WITHIN A SUPPORTING CYLINDER FOR ROTATION OF SAID GRINDING WHEEL ABOUT ITS OWN AXIS, MEANS FOR CONTINUOUSLY RO-
References Cited (Backward Citations)
DE513932C
Cited
US2183759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |