Patent US6267764B1 successfully refreshed from Google Patents.
US2952192A
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US
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Assignee: Reliance Steel Products Co
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Filing: 1954-11-24
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Granted: 1960-09-13
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Expires: 1974-11-24
Abstract
No abstract record available.
Inventors
- 👤 Nagin Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:13
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/004; E; E01; E01F; E01F9/00; E01F9/50; E01F9/506; E01F9/518; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |