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Patent US3531191A successfully refreshed from Google Patents.
US3531191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three dimensional cinematography
Assignee: C AND L MARKETING Inc
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Filing: 1966-10-21
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Granted: 1970-09-29
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Expires: 1986-10-21
Abstract
No abstract record available.
Inventors
- 👤 Robert V Bernier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:38
CPC Classifications
G; G03; G03B; G03B35/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1262954A
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US1468091A
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US1964968A
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US2240728A
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US2403733A
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US2554532A
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US2505990A
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US3189915A
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US3363966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |