US2649835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control of the movement of picturemaking equipment
Assignee: Individual
•
Filing: 1949-09-15
•
Granted: 1953-08-25
•
Expires: 1969-09-15
Abstract
No abstract record available.
Inventors
- 👤 John T Lierley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:03
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1294686A
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US1400091A
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US1563550A
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US1667457A
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US1729397A
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US1792915A
Cited
GB439969A
Cited
US2030300A
Cited
US2077104A
Cited
US2123529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |