Patent US2905053A successfully refreshed from Google Patents.
US2905053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Picture projection screen and surround
Assignee: Individual
•
Filing: 1953-11-16
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Granted: 1959-09-22
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Expires: 1973-11-16
Abstract
No abstract record available.
Inventors
- 👤 Stableford John Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:18
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1701590A
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US1762083A
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US2148260A
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US2117857A
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US2181827A
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GB541808A
Cited
US2365010A
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US2383493A
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US2562590A
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US2665611A
Cited
US2779938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |