Patent US3373019A successfully refreshed from Google Patents.
US3373019A
Expired / Lapsed
US
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Method and apparatus for producing images
Assignee: Bell and Howell Co
•
Filing: 1964-05-21
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Granted: 1968-03-12
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Expires: 1984-05-21
Abstract
No abstract record available.
Inventors
- 👤 William E Bixby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:06
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/22; G03G15/28; G03G15/30; G03G9/00; G03G9/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2692948A
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US2752833A
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US2756676A
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US3178281A
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US3083117A
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US3005726A
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US3138438A
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US3253913A
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US3283680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |