Patent US3013636A successfully refreshed from Google Patents.
US3013636A
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Assignee: Dayton Steel Foundry Co
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Filing: 1959-04-20
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Granted: 1961-12-19
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Expires: 1979-04-20
Abstract
No abstract record available.
Inventors
- 👤 Gianni A Dotto
- 👤 William D Walther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:39
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/12; F16D65/128; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/228; F16D65/125; F16D65/14; F16D65/16; F16D65/18; F16D65/186; F16D65/78; F16D65/84; F16D2055/0004; F16D2055/0058; F16D2065/024; F16D2065/13; F16D2065/1304; F16D2065/132; F16D2065/781; F16D2121/00; F16D2121/14; F16D2125/00; F16D2125/18; F16D2125/20; F16D2125/22; F16D2125/28; F16D2125/32
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) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |