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US2739447A
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US
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Motion-reproducing device
Assignee: Ford Instrument Co Inc
•
Filing: 1940-01-13
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Granted: 1956-03-27
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Expires: 1960-01-13
Abstract
No abstract record available.
Inventors
- 👤 William H Newell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:58
CPC Classifications
F; F15; F15B; F15B9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1481645A
Cited
US1986640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |