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Patent US2632482A successfully refreshed from Google Patents.
US2632482A
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US
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Apparatus for bending sinuous wire strips into springs
Assignee: Universal Wire Spring Co
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Filing: 1948-09-01
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Granted: 1953-03-24
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Expires: 1968-09-01
Abstract
No abstract record available.
Inventors
- 👤 John C Lincoln
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:02
CPC Classifications
B; B21; B21F; B21F35/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1823426A
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US2050619A
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US2128620A
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US2230244A
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US2296907A
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US2379425A
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US2389055A
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US2450876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |