US2580756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch
Assignee: International Business Machines Corp
•
Filing: 1947-05-03
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Granted: 1952-01-01
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Expires: 1967-05-03
Abstract
No abstract record available.
Inventors
- 👤 Frank J Furman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:57
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/01; B26D7/015; B26F; B26F1/00; B26F1/32; B26F1/36; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/215; Y10T83/2155; Y10T83/444; Y10T83/4491; Y10T83/626; Y10T83/647; Y10T83/654; Y10T83/6563; Y10T83/748; Y10T83/849; Y10T83/853; Y10T83/855; Y10T83/856; Y10T83/857; Y10T83/869; Y10T83/8776; Y10T83/8821; Y10T83/8841
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) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |