Patent US3397044A successfully refreshed from Google Patents.
US3397044A
Expired / Lapsed
US
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Aluminum-iron articles and alloys
Assignee: Reynolds Metals Co
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Filing: 1967-08-11
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Granted: 1968-08-13
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Expires: 1987-08-11
Abstract
No abstract record available.
Inventors
- 👤 Linton D Bylund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:03
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/06; C22C21/08; B; B21; B21D; B21D22/00; B21D22/20; B21D22/201; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236; Y10T428/12243; Y10T428/12271; Y10T428/12431; Y10T428/13
Claims Analysis
Total Claims: 0
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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) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |