US3487561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Test grading and marking method and apparatus
Assignee: AUTOMATA CORP
•
Filing: 1967-03-07
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Granted: 1970-01-06
•
Expires: 1987-03-07
Abstract
No abstract record available.
Inventors
- 👤 Leo L Azure Jr
- 👤 Maurice Edmund Hassfurther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:24
CPC Classifications
G; G06; G06K; G06K17/00; G06K17/0032
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2936532A
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US3299254A
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US3324576A
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US3176415A
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US3267258A
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US3315377A
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US3284929A
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US3346970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |