US2506595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moving picture projector attachment
Assignee: Individual
•
Filing: 1945-02-12
•
Granted: 1950-05-09
•
Expires: 1965-02-12
Abstract
No abstract record available.
Inventors
- 👤 Eugene S Horres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:49
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303542A
Cited
US681932A
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US1340710A
Cited
US1525990A
Cited
US1548960A
Cited
US1713277A
Cited
US2194879A
Cited
US2153666A
Cited
US2241232A
Cited
US2256899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |