US3254994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloys having improved stress rupture properties
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1963-06-24
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Granted: 1966-06-07
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Expires: 1983-06-24
Abstract
No abstract record available.
Inventors
- 👤 Richard J Quigg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:29
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
AN ALLOY HAVING IMPROVED STRESS RUPTURE PROPERTIES AT HIGH TEMPERATURES AND CONSISTING ESSENTIALLY OF THE FOLLOWING ANALYSIS:
Claim 2
Dependent Claim
17 words
AN ALLOY HAVING IMPROVED STRESS RUPTURE PROPERTIES AT HIGH TEMPERATURES AND CONSISTING ESSENTIALLY OF THE FOLLOWING ANALYSIS:
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |