US3213567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear grinding machine and method of dressing the grinding wheel thereof
Assignee: Gleason Works
•
Filing: 1963-09-26
•
Granted: 1965-10-26
•
Expires: 1983-09-26
Abstract
No abstract record available.
Inventors
- 👤 Charles B King
- 👤 Richard W Treverton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:03
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/06; B24B53/07
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
A BELVEL OR HYPOID GEAR GRINDING MACHINE COMPRISING A GEAR SUPPORT AND AN ANNULAR GRINDING WHEEL CARRIER ARRANGED FOR RELATIVE HELICAL MOTION ALONG AND ABOUT A HELIX AXIS INCLINED TO THE AXIS OF ROTATION OF THE WHEEL, DRIVE MEANS FOR EFFECTING SUCH RELATIVE HELICAL MOTION, AND A DRESSING TOOL FOR THE GRINDING WHEEL ADAPTED TO BE POSITIONED ON THE GEAR SUPPORT, IN THE PLACE OF A WORK GEAR ON THE GEAR SUPPORT, FOR DRESSING THE WHEEL BY REPETITION OF SAID RELATIVE HELICAL MOTION.
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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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |