Patent US2815579A successfully refreshed from Google Patents.
US2815579A
Expired / Lapsed
US
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Gear gauging master
Assignee: Nachi Machining Technology Co
•
Filing: 1955-01-17
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Granted: 1957-12-10
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Expires: 1975-01-17
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Bassoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:53
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/20; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19874
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US265595A
Cited
US1663085A
Cited
US1098912A
Cited
US1445631A
Cited
DE605041C
Cited
US2689410A
Cited
US2540961A
Cited
US2726455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |