US2888072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable cinemascope screen assembly
Assignee: Radiant Manufacturing Corp
•
Filing: 1956-06-20
•
Granted: 1959-05-26
•
Expires: 1976-06-20
Abstract
No abstract record available.
Inventors
- 👤 Nicholas William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:53
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/56; G03B21/58; F; F16; F16B; F16B2200/00; F16B2200/67; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/342; Y10T403/343; Y10T403/347; Y10T403/54; Y10T403/57; Y10T403/5733; Y10T403/5761; Y10T403/5766; Y10T403/5781
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US732309A
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US1020123A
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US1199778A
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DE633641C
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US2280361A
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US2357819A
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US2479634A
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US2571382A
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US2676044A
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US2658776A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |