US3195400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical projector producing superimposed images from revolving concentric film tracks
Assignee: Dream Lite Co
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Filing: 1962-07-05
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Granted: 1965-07-20
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Expires: 1982-07-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Dlott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:01
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |