US2369624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrometry
Assignee: Brown Instruments Co
•
Filing: 1942-02-13
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Granted: 1945-02-13
•
Expires: 1962-02-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Vollrath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:49
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/02; G01J5/06; G01J5/061; G01J5/0014; G01J5/0018; G01J5/0044; G01J5/04; G01J5/041; G01J5/08; G01J5/0803; G01J5/0804; G01J5/0893; G01J5/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-02-13 | 1948-08-14 | 1949-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-02-13 | 1952-08-14 | 1953-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-02-13 | 1956-08-14 | 1957-02-13 | $7700.00 | Window Closed / Lapsed |