US2584789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic clamping device
Assignee: International Business Machines Corp
•
Filing: 1950-03-07
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Granted: 1952-02-05
•
Expires: 1970-03-07
Abstract
No abstract record available.
Inventors
- 👤 Lloyd K Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:11
CPC Classifications
B; B44; B44B; B44B5/00; B44B5/02; B44B5/022; B44B5/0004; B44B5/0009; B44B5/0014
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US95344A
Cited
US262369A
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US998274A
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US1065951A
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US1796387A
Cited
US1723785A
Cited
US1789892A
Cited
US2038759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |