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US2592569A
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Pressure responsive measuring apparatus
Assignee: MCALEAR Manufacturing Co
•
Filing: 1951-03-14
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Granted: 1952-04-15
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Expires: 1971-03-14
Abstract
No abstract record available.
Inventors
- 👤 Henderson James Pirie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:43
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/0038; G01F1/00; G01F1/05; G01F1/20; G01L; G01L1/00; G01L1/02; G01L11/00; Y; Y10; Y10S; Y10S33/00; Y10S33/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1407060A
Cited
US1905335A
Cited
US2037949A
Cited
US2119288A
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US2223712A
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FR839703A
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US2198452A
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US2248322A
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US2261028A
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US2241636A
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US2321175A
Cited
US2422921A
Cited
US2432082A
Cited
US2455285A
Cited
US2451425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |