US2905053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Picture projection screen and surround
Assignee: Individual
•
Filing: 1953-11-16
•
Granted: 1959-09-22
•
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 11:38
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/13
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1496581A
Cited
US1701590A
Cited
US1762083A
Cited
US2148260A
Cited
US2117857A
Cited
US2181827A
Cited
GB541808A
Cited
US2365010A
Cited
US2383493A
Cited
US2562590A
Cited
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 |