US2685203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal converter for measuring and controlling systems
Assignee: Elsag Bailey Inc
•
Filing: 1949-11-19
•
Granted: 1954-08-03
•
Expires: 1969-11-19
Abstract
No abstract record available.
Inventors
- 👤 James E Mcevoy
- 👤 Anthony J Hornfeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:22
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2612047A
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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) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |