US2603151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record card sensing and analyzing means
Assignee: International Business Machines Corp
•
Filing: 1947-11-03
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Granted: 1952-07-15
•
Expires: 1967-11-03
Abstract
No abstract record available.
Inventors
- 👤 James W Bryce
- 👤 Robert T Blakely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:24
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/04; B; B41; B41J; B41J13/00; B41J13/10; B41J13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1916232A
Cited
US1947259A
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US2115563A
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US2093529A
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US1962732A
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US2036024A
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US2182006A
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US2426951A
Cited
US2448830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |