Patent US3426485A successfully refreshed from Google Patents.
US3426485A
Expired / Lapsed
US
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Method of chamfering the teeth of a gear
Assignee: Individual
•
Filing: 1964-09-16
•
Granted: 1969-02-11
•
Expires: 1984-09-16
Abstract
No abstract record available.
Inventors
- 👤 Kojiro Yamaoka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:13
CPC Classifications
B; B23; B23F; B23F19/00; B23F19/10; B23F19/12; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101113; Y10T409/101272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A METHOD OF CAMFERING TEETH OF A GEAR, SAID METHOD COMPRISING THE STEPS OF: ROTATING A TOOL ABOUT A CENTRAL AXIS OF THE TOOL; RESILIENTLY AGGRESSIVELY ENGAGING A PROFILE EDGE PORTION OF THE GEAR WITH THE ROTATING TOOL; ROTATING THE GEAR RELATIVE TO THE TOOL IN CONTINUATION OF SAID RESILIENTLY AGGRESSIVE ENGAGEMENT WHEREBY TO BRING PROFILE EDGE PORTIONS OF THE TEETH OF THE GEAR SUQUENTIALLY
Claim 2
Independent Claim
65 words
A METHOD OF CAMFERING TEETH OF A GEAR, SAID METHOD COMPRISING THE STEPS OF: ROTATING A TOOL ABOUT A CENTRAL AXIS OF THE TOOL; RESILIENTLY AGGRESSIVELY ENGAGING A PROFILE EDGE PORTION OF THE GEAR WITH THE ROTATING TOOL; ROTATING THE GEAR RELATIVE TO THE TOOL IN CONTINUATION OF SAID RESILIENTLY AGGRESSIVE ENGAGEMENT WHEREBY TO BRING PROFILE EDGE PORTIONS OF THE TEETH OF THE GEAR SUQUENTIALLY
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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) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |