US2470235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coiling machine for strip material
Assignee: Individual
•
Filing: 1944-08-31
•
Granted: 1949-05-17
•
Expires: 1964-08-31
Abstract
No abstract record available.
Inventors
- 👤 Benjamin S Burrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:36
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/02; B21C47/04; B21C47/06; B21C47/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1462411A
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US1654651A
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US1791288A
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US1935092A
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US2155879A
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US2267161A
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US2285358A
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US2312428A
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US2307880A
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US2325559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |