Patent US3137478A successfully refreshed from Google Patents.
Patent US3030853A successfully refreshed from Google Patents.
US3030853A
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Method and apparatus for counting imperfections of strand material
Assignee: West Point Manufacturing Co
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Filing: 1954-02-24
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Granted: 1962-04-24
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Expires: 1974-02-24
Abstract
No abstract record available.
Inventors
- 👤 Fred P Strother
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:35
CPC Classifications
B; B65; B65H; B65H63/00; B65H63/06; B65H63/062; B65H63/065; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2037044A
Cited
US2413486A
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US2641960A
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US2665846A
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US2731202A
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US2774940A
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US2659823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |