US2627182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aspiration pyrometer
Assignee: Leeds and Northrup Co
•
Filing: 1949-12-14
•
Granted: 1953-02-03
•
Expires: 1969-12-14
Abstract
No abstract record available.
Inventors
- 👤 John F Quereau
- 👤 Albert B Teague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:28
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/02; G01K13/022
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) | 1956-02-03 | 1956-08-04 | 1957-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-03 | 1960-08-04 | 1961-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-03 | 1964-08-04 | 1965-02-03 | $7700.00 | Window Closed / Lapsed |