US3139682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strength recovery of dispersion hardened alloys
Assignee: Individual
•
Filing: 1960-06-24
•
Granted: 1964-07-07
•
Expires: 1980-06-24
Abstract
No abstract record available.
Inventors
- 👤 Nicholas J Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:01
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/001; C22C32/0015; Y; Y10; Y10S; Y10S72/00; Y10S72/70; Y10S75/00; Y10S75/95; Y10S75/951
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2317295A
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US2390023A
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US2716080A
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US3026200A
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US3019103A
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US2972529A
Cited
US3070439A
Cited
US3070440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |