Patent US3480411A successfully refreshed from Google Patents.
US3480411A
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US
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Composite fin stock material
Assignee: Olin Corp
•
Filing: 1967-01-23
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Granted: 1969-11-25
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Expires: 1987-01-23
Abstract
No abstract record available.
Inventors
- 👤 Michael J Pryor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:04
CPC Classifications
F; F28; F28F; F28F19/00; F28F19/02; F28F19/06; F28F1/00; F28F1/10; F28F1/12; F28F1/126; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/925; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/1241; Y10T428/12493; Y10T428/12736; Y10T428/1275
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1196744A
Cited
US3226808A
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US3168381A
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US3180022A
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US3191418A
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FR1462160A
Cited
US3290129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |