US3276135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear tooth checking system
Assignee: Michigan Tool Co
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Filing: 1965-01-07
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Granted: 1966-10-04
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Expires: 1985-01-07
Abstract
No abstract record available.
Inventors
- 👤 Willard B Mccardell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:14
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/14; G01B5/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49467
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A METHOD FOR CHECKING GEAR TOOTH ERRORS, THE STEPS OF PROVIDING TWO IDENTICAL CHARTS EACH HAVING A PLURALITY OF CIRCULARLY ARRANGEMENT GRAPH SEGMENTS WITH RECTANGULAR COORDINATES, EACH OF SAID GRAPH SEGMENTS HAVING AN ORIGIN LOCATED CENTRALLY OF THE SEGMENT, PLOTTING ON A FIRST OF SAID CHARTS DIFFERENCES IN TOOTH LOCATIONS IN BOTH RADIAL AND TANGENTIAL DIRECTIONS, PLACING THE SECOND OF SAID CHARTS OVER SAID FIRST CHART, DISPLACING SAID SECOND CHART SO AS TO
Claim 2
Dependent Claim
74 words
IN A METHOD FOR CHECKING GEAR TOOTH ERRORS, THE STEPS OF PROVIDING TWO IDENTICAL CHARTS EACH HAVING A PLURALITY OF CIRCULARLY ARRANGEMENT GRAPH SEGMENTS WITH RECTANGULAR COORDINATES, EACH OF SAID GRAPH SEGMENTS HAVING AN ORIGIN LOCATED CENTRALLY OF THE SEGMENT, PLOTTING ON A FIRST OF SAID CHARTS DIFFERENCES IN TOOTH LOCATIONS IN BOTH RADIAL AND TANGENTIAL DIRECTIONS, PLACING THE SECOND OF SAID CHARTS OVER SAID FIRST CHART, DISPLACING SAID SECOND CHART SO AS TO
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |