US3394446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making composite metal structure
Assignee: Olin Corp
•
Filing: 1965-08-30
•
Granted: 1968-07-30
•
Expires: 1985-08-30
Abstract
No abstract record available.
Inventors
- 👤 Emery I Valyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:39
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; B21D53/045; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49348; Y10T29/4935; Y10T29/49366; Y10T29/49369; Y10T29/49371; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12042; Y10T428/12063; Y10T428/12347; Y10T428/1241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2836641A
Cited
US2807437A
Cited
US2845346A
Cited
US2946681A
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US3138009A
Cited
US3110090A
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US3195226A
Cited
US3201858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |