US3523569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing carbide containing materials
Assignee: Eutectic Corp
•
Filing: 1967-01-06
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Granted: 1970-08-11
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Expires: 1987-01-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Quaas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:38
CPC Classifications
B; B24; B24D; B24D18/00; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/32; B23K35/327; C; C04; C04B; C04B35/00; C04B35/622; C04B35/653; C22; C22C; C22C1/00; C22C1/10; C22C1/1036; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/067; C23C4/18; C23C4/185; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49746; Y10T29/4998; Y10T29/49982; Y10T29/49984
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |