Patent US2084186A successfully refreshed from Google Patents.
US2853741A
Expired / Lapsed
US
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Fibrous article and method of preparing the same from polymeric films
Assignee: Dow Chemical Co
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Filing: 1954-05-27
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Granted: 1958-09-30
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Expires: 1974-05-27
Abstract
No abstract record available.
Inventors
- 👤 John E Costa
- 👤 Boeuf Edgar W Le
- 👤 Lloyd E Lefevre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:57
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/42; D01D5/423; D01G; D01G99/00; Y; Y10; Y10S; Y10S260/00; Y10S260/41; Y10S264/00; Y10S264/47; Y10S264/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2238422A
Cited
US2459804A
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US2516295A
Cited
US2464746A
Cited
US2578523A
Cited
US2728950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |