Patent US2896165A successfully refreshed from Google Patents.
US2896165A
Expired / Lapsed
US
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Ratio measurement apparatus
Assignee: Individual
•
Filing: 1951-07-26
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Granted: 1959-07-21
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Expires: 1971-07-26
Abstract
No abstract record available.
Inventors
- 👤 Donald F Hornig
- 👤 George E Hyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:24
CPC Classifications
G; G01; G01R; G01R27/00; G01R27/02; G01R27/08; G01R27/10; G01R27/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2216545A
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US2365218A
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US2553294A
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US2578133A
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US2580421A
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US2488193A
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US2599064A
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US2547703A
Cited
US2609988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |