Patent US2430893A successfully refreshed from Google Patents.
US2430893A
Expired / Lapsed
US
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Automatic cut-out for motionpicture projecting machines
Assignee: Individual
•
Filing: 1944-07-25
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Granted: 1947-11-18
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Expires: 1964-07-25
Abstract
No abstract record available.
Inventors
- 👤 James M Todd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:20
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/18
Claims Analysis
Total Claims: 0
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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) | 1950-11-17 | 1951-05-19 | 1951-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-17 | 1955-05-19 | 1955-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-17 | 1959-05-19 | 1959-11-18 | $7700.00 | Window Closed / Lapsed |