US3508031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system employing card having conductive inserts
Assignee: IND INSTRUMENTATIONS Inc
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Filing: 1965-08-23
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Granted: 1970-04-21
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Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Irving B Cooper Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:16
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/06; G06K19/067; G06K7/00; G06K7/08; G06K7/082; G06K7/083; G06K7/085; G07; G07C; G07C9/00; G07C9/20; G07C9/27; G07F; G07F7/00; G07F7/08; G07F7/086
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) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |