US3483012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated refractory
Assignee: Lockheed Martin Corp
•
Filing: 1966-06-30
•
Granted: 1969-12-09
•
Expires: 1986-06-30
Abstract
No abstract record available.
Inventors
- 👤 Richard L Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:32
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/46; C04B41/48; Y; Y10; Y10S; Y10S264/00; Y10S264/20; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2269660A
Cited
US2854347A
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US2776914A
Cited
US2978351A
Cited
US3070449A
Cited
US3141783A
Cited
US3330890A
Cited
US3340075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |