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US2600534A
Expired / Lapsed
US
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Method of making coiled wire for use in antiskid pneumatic tire treads
Assignee: Paul E Hawkinson Co
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Filing: 1950-10-06
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Granted: 1952-06-17
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Expires: 1970-10-06
Abstract
No abstract record available.
Inventors
- 👤 Paul E Hawkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:44
CPC Classifications
B; B21; B21F; B21F7/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12333
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US145285A
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US1542385A
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US1910020A
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US1876953A
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US2365959A
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US2036034A
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US2260779A
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US2287879A
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US2457132A
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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) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |