US3359082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ductile tungsten alloys
Assignee: Verizon Laboratories Inc
•
Filing: 1965-04-06
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Granted: 1967-12-19
•
Expires: 1985-04-06
Abstract
No abstract record available.
Inventors
- 👤 Clayton D Dickinson
- 👤 Edmund N Mazza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:52
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A SINTERED ALLOY CHARACTERIZED BY HIGH STRENGTH AT ELEVATED TEMPERATURES AND A LOW DUCTILE-TO-BRITTLE TRANSITION TEMPERATURE IN THE RANGE -5*C. TO +35*C. CONSISTING ESSENTIALLY OF UP TO 1 WEIGHT PERCENT RBENIUM, BETWEEN 1 AND 35 PARTS PER MILLION MANGANESE, AND THE BALANCE TUNGSTEN.
Claim 2
Dependent Claim
43 words
A SINTERED ALLOY CHARACTERIZED BY HIGH STRENGTH AT ELEVATED TEMPERATURES AND A LOW DUCTILE-TO-BRITTLE TRANSITION TEMPERATURE IN THE RANGE -5*C. TO +35*C. CONSISTING ESSENTIALLY OF UP TO 1 WEIGHT PERCENT RBENIUM, BETWEEN 1 AND 35 PARTS PER MILLION MANGANESE, AND THE BALANCE TUNGSTEN.
References Cited (Backward Citations)
US2600995A
Cited
GB816135A
Cited
US3150971A
Cited
US3236699A
Cited
US3239335A
Cited
US3300285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |