US2497042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrooptical function synthesizer
Assignee: Electro Mechanical Research Inc
•
Filing: 1943-10-19
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Granted: 1950-02-07
•
Expires: 1963-10-19
Abstract
No abstract record available.
Inventors
- 👤 Doll Henri-Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:06
CPC Classifications
G; G06; G06E; G06E3/00; G06E3/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB164765A
Cited
US2115563A
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US2156813A
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US2199066A
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US2302009A
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US2243600A
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US2415191A
Cited
US2415190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |