Patent US2993236A successfully refreshed from Google Patents.
US2993236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing cord-like product
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1957-08-29
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Granted: 1961-07-25
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Expires: 1977-08-29
Abstract
No abstract record available.
Inventors
- 👤 Brimley Kenneth John
- 👤 Medlock Leslie Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:10
CPC Classifications
C; C06; C06C; C06C5/00; C06C5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1992678A
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US2257222A
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US2380312A
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US2687553A
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US2498050A
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US2493143A
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US2576444A
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US2700183A
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US2708771A
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US2888740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |