US3456955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work seating and chucking diameter checking apparatus for workholders
Assignee: Gleason Works
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Filing: 1967-03-20
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Granted: 1969-07-22
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Expires: 1987-03-20
Abstract
No abstract record available.
Inventors
- 👤 Norman G Bruinsma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:37
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/207; B23B31/2072; B23B2270/00; B23B2270/02; B23B2270/025; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T279/1008; Y10T279/1021; Y10T279/1033; Y10T279/12; Y10T279/1208; Y10T279/21
Claims Analysis
Total Claims: 0
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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) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |