US2580200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of continuous web or length of sheet material
Assignee: BRITISH ARTIFICIAL RESIN Co Ltd
•
Filing: 1947-08-07
•
Granted: 1951-12-25
•
Expires: 1967-08-07
Abstract
No abstract record available.
Inventors
- 👤 Shrimpton William John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:13
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/18; Y; Y10; Y10S; Y10S264/00; Y10S264/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB365536A
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US2280771A
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US2167440A
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GB517798A
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US2296948A
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US2230880A
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US2288269A
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US2324068A
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US2319174A
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US2433067A
Cited
US2423915A
Cited
US2463289A
Cited
US2480851A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |