US2576514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrometer
Assignee: Teck Metals Ltd
•
Filing: 1949-06-11
•
Granted: 1951-11-27
•
Expires: 1969-06-11
Abstract
No abstract record available.
Inventors
- 👤 Bianco Henry Robert
- 👤 Busby Arthur H Wilson
- 👤 Ronald A Giles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:06
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/02; G01J5/06; G01J5/061; G01J5/0037; G01J5/004; G01J5/04; G01J5/041; G01J5/05; G01J5/051; G01J5/08; G01J5/0818; G01J5/084
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) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |