US3459583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Body of industrial carbon with an oxidation inhibiting coating,and method of producing such bodies
Assignee: Sigri GmbH
•
Filing: 1967-01-09
•
Granted: 1969-08-05
•
Expires: 1987-01-09
Abstract
No abstract record available.
Inventors
- 👤 Ottmar Rubisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:28
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/50; C04B41/5053; C04B41/009; C04B41/5062; C04B41/5071; C04B41/51; C04B41/52; C04B41/80; C04B41/81; C04B41/85; C04B41/87; C04B41/88; C04B41/89; C22; C22C; C22C28/00; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/243; C23C2/00; C23C2/04; C23C4/00; C23C4/04; C23C4/10; H; H05; H05B; H05B7/00; H05B7/02; H05B7/06; H05B7/08; H05B7/085; Y; Y10; Y10T; Y10T428/00; Y10T428/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US869013A
Cited
US1948382A
Cited
US2866725A
Cited
US2925357A
Cited
US3019128A
Cited
US3348929A
Cited
US3264135A
Cited
US3390013A
Cited
US3393084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |