US2927464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrometer
Assignee: Servo Corp of America
•
Filing: 1956-01-16
•
Granted: 1960-03-08
•
Expires: 1976-01-16
Abstract
No abstract record available.
Inventors
- 👤 Sabert N Howell
- 👤 Derganc William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:30
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/52; G01J5/02; G01J5/06; G01J5/061; Y; Y10; Y10S; Y10S246/00; Y10S246/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1630056A
Cited
US1716775A
Cited
US1895887A
Cited
US2562538A
Cited
FR950577A
Cited
US2650307A
Cited
US2665129A
Cited
US2761072A
Cited
US2683794A
Cited
GB726581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |