US3028770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic coupling and uncoupling apparatus for machine tools
Assignee: International Business Machines Corp
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Filing: 1958-12-30
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Granted: 1962-04-10
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Expires: 1978-12-30
Abstract
No abstract record available.
Inventors
- 👤 Donald G Pittwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:40
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/157; B23Q3/15706; B23B; B23B31/00; B23B31/02; B23B31/06; B23B31/10; B23B31/117; B23B31/24; B23B31/26; B23B31/261; B23B31/266; B23B47/00; Y; Y10; Y10S; Y10S279/00; Y10S279/90; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T409/00; Y10T409/30; Y10T409/30784; Y10T409/307952; Y10T409/308008; Y10T74/00; Y10T74/17; Y10T74/177
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) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |