Patent US2456621A successfully refreshed from Google Patents.
US2761560A
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Automatic gear size checking apparatus
Assignee: Illinois Tool Works Inc
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Filing: 1954-05-17
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Granted: 1956-09-04
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Expires: 1974-05-17
Abstract
No abstract record available.
Inventors
- 👤 Pomernacki Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:25
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/12; B23F23/1218; Y; Y10; Y10S; Y10S209/00; Y10S209/941; Y10T; Y10T409/00; Y10T409/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2352091A
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US2407062A
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US2393246A
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US2474482A
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US2531317A
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US2569564A
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US2561534A
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US2664557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |