US3463636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant conductivity alloys
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1967-01-03
•
Granted: 1969-08-26
•
Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 John R Ogren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:26
CPC Classifications
C; C22; C22C; C22C5/00; H; H01; H01B; H01B1/00; H01B1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1407525A
Cited
US1978198A
Cited
US2344597A
Cited
US2300286A
Cited
US2370242A
Cited
US2391458A
Cited
FR1383618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |