Patent US3524019A successfully refreshed from Google Patents.
US3524019A
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US
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Electronic system for varying fog simulation with changes in direction of sight
Assignee: Singer General Precision Inc
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Filing: 1966-08-09
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Granted: 1970-08-11
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Expires: 1986-08-09
Abstract
No abstract record available.
Inventors
- 👤 Richard T Coen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:43
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/222; H04N5/262; G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/30; G09B9/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2704816A
Cited
US2883763A
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US2938949A
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US2981008A
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US3258855A
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US3363332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |