US3452598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immersion radiation pyrometer device
Assignee: Leeds and Northrup Co
•
Filing: 1967-09-06
•
Granted: 1969-07-01
•
Expires: 1987-09-06
Abstract
No abstract record available.
Inventors
- 👤 Louis R Jones Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:20
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/02; G01J5/04; G01J5/041; G01J5/0037; G01J5/004; G01J5/0044; G01J5/046; G01J5/048; G01J5/08; G01J5/0801; G01J5/0802
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191129097A
Cited
US1475365A
Cited
US1639534A
Cited
US1894109A
Cited
US2465322A
Cited
US2490617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |