Patent US2457558A successfully refreshed from Google Patents.
US2457558A
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Measuring and control system
Assignee: Elsag Bailey Inc
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Filing: 1944-03-20
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Granted: 1948-12-28
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Expires: 1964-03-20
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Hornfeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:00
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/34; B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/121; B23Q35/123; G01B7/02; G01B7/06; G01B7/10; G01B7/107; G01L; G01L19/00; G01L19/08; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303416; Y10T409/303472; Y10T409/30364; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2088659A
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US2285540A
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US2334543A
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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) | 1951-12-28 | 1952-06-28 | 1952-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-28 | 1956-06-28 | 1956-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-28 | 1960-06-28 | 1960-12-28 | $7700.00 | Window Closed / Lapsed |