Patent US3510833A successfully refreshed from Google Patents.
US3510833A
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US
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Frequency conversion imaging system
Assignee: VITRO Corp A CORP OF DE
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Filing: 1967-01-09
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Granted: 1970-05-05
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Expires: 1987-01-09
Abstract
No abstract record available.
Inventors
- 👤 William R Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:09
CPC Classifications
G; G01; G01H; G01H3/00; G01H3/10; G01H3/12; G01H3/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2581780A
Cited
US2711514A
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US2903617A
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US2945192A
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US2996611A
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US3168659A
Cited
US3278771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |