US3493304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1965-02-03
•
Granted: 1970-02-03
•
Expires: 1985-02-03
Abstract
No abstract record available.
Inventors
- 👤 Leopold Rovner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:33
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/08; G06M1/10; G06M1/101; G01; G01N; G01N21/00; G01N21/62; G01N21/63; G01N21/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3105908A
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US2759602A
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US2709367A
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US2866378A
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US3084591A
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US3051038A
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US3306157A
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US3127505A
Cited
US3275744A
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US3264474A
Cited
US3296446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |