Patent US2996793A successfully refreshed from Google Patents.
US2996793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool material
Assignee: Rand Development Corp
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Filing: 1955-05-09
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Granted: 1961-08-22
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Expires: 1975-05-09
Abstract
No abstract record available.
Inventors
- 👤 Theodore D Jayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:09
CPC Classifications
C; C22; C22C; C22C29/00; C22C29/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A HARD CUTTING MATERIAL COMPOSED ESSENTIALLY OF APPROXIMATELY 80 PERCENT TITANIUM DIBORIDE AND APPROXIMATELY 20 PERCENT MOLYBDENUM FINELY DIVIDED AND INTIMATELY MIXED AND HOT PRESSED IN THE TEMPERATURE RANGE APPROXIMATELY 1850 DEGREES C. TO 2200 DEGREES C.
Claim 2
Dependent Claim
37 words
A HARD CUTTING MATERIAL COMPOSED ESSENTIALLY OF APPROXIMATELY 80 PERCENT TITANIUM DIBORIDE AND APPROXIMATELY 20 PERCENT MOLYBDENUM FINELY DIVIDED AND INTIMATELY MIXED AND HOT PRESSED IN THE TEMPERATURE RANGE APPROXIMATELY 1850 DEGREES C. TO 2200 DEGREES C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |