US2429466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring and controlling apparatus
Assignee: Brown Instruments Co
•
Filing: 1942-11-04
•
Granted: 1947-10-21
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Expires: 1962-11-04
Abstract
No abstract record available.
Inventors
- 👤 Harry S Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:17
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/02; G01K7/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1443166A
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US1443165A
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FR473011A
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US1909712A
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US1967887A
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US2113164A
Cited
US2203689A
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US2300742A
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US2301635A
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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) | 1950-10-20 | 1951-04-21 | 1951-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-20 | 1955-04-21 | 1955-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-20 | 1959-04-21 | 1959-10-21 | $7700.00 | Window Closed / Lapsed |