US3034512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tabulator card and system for coding and sorting same
Assignee: Individual
•
Filing: 1957-01-24
•
Granted: 1962-05-15
•
Expires: 1977-01-24
Abstract
No abstract record available.
Inventors
- 👤 Paul H Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:40
CPC Classifications
G; G06; G06K; G06K17/00; G06K17/0003; G06K17/0009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1449078A
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US2002807A
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US2136859A
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US2353001A
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US2484642A
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US2502785A
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US2762952A
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US2697514A
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US2709001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |