US2812186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work holding mechanism
Assignee: Gleason Works
•
Filing: 1955-12-30
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Granted: 1957-11-05
•
Expires: 1975-12-30
Abstract
No abstract record available.
Inventors
- 👤 Leonard O Carlsen
- 👤 Herman A Male
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:24
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/30; B23B31/302; B23B31/40; B23B31/4006; B23B31/402; B23B31/4026; B23F; B23F21/00; B23F21/04; B23F21/06; B23F23/00; B23F23/02; B23F23/06; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/28; F; F16; F16C; F16C29/00; F16C29/10; F16C2322/00; F16C2322/39; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T279/1008; Y10T279/1021; Y10T279/1033; Y10T279/33; Y10T409/00; Y10T409/10; Y10T409/109699; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1453; Y10T74/1459; Y10T74/1465
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1561843A
Cited
US2450931A
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US2719737A
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US2752175A
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US2643132A
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US2716554A
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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) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |