US2565249A
Expired / Lapsed
US
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High-temperature-measuring system
Assignee: Leeds and Northrup Co
•
Filing: 1945-08-20
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Granted: 1951-08-21
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Expires: 1965-08-20
Abstract
No abstract record available.
Inventors
- 👤 Raymond C Machler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:14
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/90; G01J5/0037; G01J5/004; G01J5/02; G01J5/0205; G01J5/04; G01J5/041; G01J5/05; G01J5/051; G01J5/08; G01J5/0846
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |