US2518010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stencil card making machine
Assignee: International Business Machines Corp
•
Filing: 1947-02-12
•
Granted: 1950-08-08
•
Expires: 1967-02-12
Abstract
No abstract record available.
Inventors
- 👤 Richard H Holmwood
- 👤 Paul A Hauck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:58
CPC Classifications
B; B41; B41J; B41J3/00; B41J3/38; Y; Y10; Y10S; Y10S493/00; Y10S493/916; Y10S493/917; Y10S493/919; Y10S493/953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US667822A
Cited
US1121080A
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US1073393A
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US1135786A
Cited
US1562085A
Cited
US1831167A
Cited
US1872130A
Cited
GB401409A
Cited
US2203706A
Cited
US2405637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |