US2599170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: STURDI BILT STEEL PRODUCTS Inc
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Filing: 1949-09-15
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Granted: 1952-06-03
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Expires: 1969-09-15
Abstract
No abstract record available.
Inventors
- 👤 Norvin H Franks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:31
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/0021; B25H1/0042; B25H1/005; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/32451; Y10T403/32459; Y10T403/34; Y10T403/341
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US585231A
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US1214584A
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US1424190A
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US1481137A
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US1561576A
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US1707203A
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US1794976A
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US1813045A
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US2036113A
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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) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |