US3364066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Black pigment for the blackening of infrared radiation detectors
Assignee: Barnes Engineering Co
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Filing: 1964-06-30
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Granted: 1968-01-16
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Expires: 1984-06-30
Abstract
No abstract record available.
Inventors
- 👤 Eskil L Karlson
- 👤 Joseph V Kiernan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:03
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/28; H; H01; H01C; H01C7/00; H01C7/04; C01; C01P; C01P2004/00; C01P2004/30; C01P2004/32; C01P2004/60; C01P2004/61; C01P2004/80; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/259; Y10T428/27; Y10T428/273
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |