US2699412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pinion quenching machine and process
Assignee: Gleason Works
•
Filing: 1949-10-22
•
Granted: 1955-01-11
•
Expires: 1969-10-22
Abstract
No abstract record available.
Inventors
- 👤 Robert V Adair
- 👤 Vandevate Dwight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:20
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
THE METHOD OF QUENCHING AN ELONGATED ROTATABLE PART HAVING COAXIAL CENTERING FORMATIONS AT ITS END, WHICH COMPRISES MOUNTING THE PART, WHILE HOT AND RELATIVELY PLASTIC, BETWEEN SUPPORTING CENTERS ENGAGED WITH SAID FORMATIONS, ROTATING IT ON THE AXIS OF SAID CENTERS, AND, WHILE IT IS SO ROTATING, BOWING ITS AXIS BY EXERTING A PRESSURE AGAINST IT IN A DIRECTION AT RIGHT ANGLES TO SAID AXIS AT A PLURALITY OF AXIALLY SPACED POINTS INTERMEDIATE ITS ENDS, ALL OF WHICH POINTS ARE DISPOSED TO ONE AND THE SAME SIDE OF A PLANE CONTAINING SAID AXIS.
Claim 2
Independent Claim
92 words
THE METHOD OF QUENCHING AN ELONGATED ROTATABLE PART HAVING COAXIAL CENTERING FORMATIONS AT ITS END, WHICH COMPRISES MOUNTING THE PART, WHILE HOT AND RELATIVELY PLASTIC, BETWEEN SUPPORTING CENTERS ENGAGED WITH SAID FORMATIONS, ROTATING IT ON THE AXIS OF SAID CENTERS, AND, WHILE IT IS SO ROTATING, BOWING ITS AXIS BY EXERTING A PRESSURE AGAINST IT IN A DIRECTION AT RIGHT ANGLES TO SAID AXIS AT A PLURALITY OF AXIALLY SPACED POINTS INTERMEDIATE ITS ENDS, ALL OF WHICH POINTS ARE DISPOSED TO ONE AND THE SAME SIDE OF A PLANE CONTAINING SAID AXIS.
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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) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |