US3504342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Systems for sensing and recognising or analysing data
Assignee: International Computers and Tabulators Ltd
•
Filing: 1966-02-02
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Granted: 1970-03-31
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Expires: 1986-02-02
Abstract
No abstract record available.
Inventors
- 👤 Gordon George Scarrott
- 👤 Alan Dennis Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:09
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/002; G06K; G06K11/00; G06K11/02; G06K11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2213421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |