Patent US2930894A successfully refreshed from Google Patents.
US3376780A
Expired / Lapsed
US
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Stainless steel, products and method
Assignee: Armco Inc
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Filing: 1966-09-19
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Granted: 1968-04-09
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Expires: 1986-09-19
Abstract
No abstract record available.
Inventors
- 👤 Tanczyn Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:28
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C22C38/42; C22C38/58; Y; Y10; Y10S; Y10S148/00; Y10S148/902; Y10S148/907; Y10S148/908; Y10S411/00; Y10S411/90; Y10S411/901; Y10S411/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2505763A
Cited
US2553707A
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US2553706A
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US2614921A
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US2694626A
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US3069961A
Cited
US3152934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |