US3256103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory article
Assignee: —
•
Filing: 1963-05-20
•
Granted: 1966-06-14
•
Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:28
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/58; C04B35/5805; C04B35/58064; C04B35/58071; C04B35/583; C04B35/622; C04B35/64; C04B35/645
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
AN ARTICLE OF MANUFACTURE FORMED BY HOT PRESSING A MIXTURE CONSISTING ESSENTIALLY OF 10-89% TITANIUM BORIDE, 10-89% BORON NITRIDE, AND 1 TO 10% TITANIUM NITRIDE.
Claim 2
Dependent Claim
25 words
AN ARTICLE OF MANUFACTURE FORMED BY HOT PRESSING A MIXTURE CONSISTING ESSENTIALLY OF 10-89% TITANIUM BORIDE, 10-89% BORON NITRIDE, AND 1 TO 10% TITANIUM NITRIDE.
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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |