Patent US3302704A successfully refreshed from Google Patents.
US3302704A
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US
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Compound metal structure
Assignee: Olin Corp
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Filing: 1965-05-14
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Granted: 1967-02-07
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Expires: 1985-05-14
Abstract
No abstract record available.
Inventors
- 👤 Emery I Valyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:22
CPC Classifications
F; F28; F28F; F28F3/00; F28F3/12; B; B22; B22F; B22F7/00; B22F7/002; Y; Y10; Y10S; Y10S165/00; Y10S165/907; Y10T; Y10T29/00; Y10T29/49; Y10T29/49348; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12479
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |