US2645323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record controlled printing apparatus
Assignee: International Business Machines Corp
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Filing: 1950-12-09
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Granted: 1953-07-14
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Expires: 1970-12-09
Abstract
No abstract record available.
Inventors
- 👤 Hans P Luhn
- 👤 Richard L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:20
CPC Classifications
B; B41; B41J; B41J5/00; B41J5/30; B41J5/31; B41J5/36; Y; Y10; Y10S; Y10S400/00; Y10S400/904
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) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |