US3276865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature cobalt-base alloy
Assignee: Individual
•
Filing: 1964-06-15
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Granted: 1966-10-04
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Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 John C Freche
- 👤 Richard L Ashbrook
- 👤 Gary D Sandrock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:38
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/07; C22C27/00; C22C27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A COBALT-BASE ALLOY CAPABLE OF HIGH LOAD CARRYING CAPACITY AT ELEVATED TEMPERATURE CONSISTING ESSENTIALLY OF FROM 39% TO 89.4% COBALT, FROM 10% TO 45% TUNGSTEN, FROM 0.5% TO 2% TITANIUM, FROM 0.1% TO 1% CARBON, FROM 0% TO 3% ZIRCONIUM, AND FROM 0% TO 10% CHROMIUM.
Claim 2
Dependent Claim
46 words
A COBALT-BASE ALLOY CAPABLE OF HIGH LOAD CARRYING CAPACITY AT ELEVATED TEMPERATURE CONSISTING ESSENTIALLY OF FROM 39% TO 89.4% COBALT, FROM 10% TO 45% TUNGSTEN, FROM 0.5% TO 2% TITANIUM, FROM 0.1% TO 1% CARBON, FROM 0% TO 3% ZIRCONIUM, AND FROM 0% TO 10% CHROMIUM.
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |