Patent US3117152A successfully refreshed from Google Patents.
Patent US2071044A successfully refreshed from Google Patents.
US2071044A
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Method and apparatus for motion picture visual accompaniments to musical scores
Assignee: AT&T Inc
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Filing: 1934-03-03
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Granted: 1937-02-16
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Expires: 1954-03-03
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Savage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:44
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-02-16 | 1940-08-17 | 1941-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-16 | 1944-08-17 | 1945-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-16 | 1948-08-17 | 1949-02-16 | $7700.00 | Window Closed / Lapsed |