Patent US3366005A successfully refreshed from Google Patents.
US3366005A
Expired / Lapsed
US
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Portable dual display plane projector apparatus
Assignee: Visual Impact Materials Inc
•
Filing: 1965-06-01
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Granted: 1968-01-30
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Joel A Benedict
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:57
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/132; Y; Y10; Y10S; Y10S353/00; Y10S353/03; Y10S353/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2496647A
Cited
US2634652A
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US2863356A
Cited
US2767611A
Cited
US3276314A
Cited
FR1323168A
Cited
US3209646A
Cited
US3285126A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |