Patent US4320475A successfully refreshed from Google Patents.
Patent US2311704A successfully refreshed from Google Patents.
US2311704A
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Method of making parallel fiber units
Assignee: Owens Corning
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Filing: 1940-09-03
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Granted: 1943-02-23
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Expires: 1960-09-03
Abstract
No abstract record available.
Inventors
- 👤 Allen L Simison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:38
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/10; C03B37/14; B; B01; B01D; B01D27/00; B01D27/005; B01D27/02; B01D29/00; B01D29/01; B01D29/012; B01D29/11; B01D29/111; Y; Y10; Y10S; Y10S273/00; Y10S273/07; Y10S493/00; Y10S493/941; Y10T; Y10T29/00; Y10T29/49; Y10T29/49787; Y10T29/49789; Y10T29/49798; Y10T29/49826; Y10T29/49885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-02-22 | 1946-08-24 | 1947-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-02-22 | 1950-08-24 | 1951-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-02-22 | 1954-08-24 | 1955-02-23 | $7700.00 | Window Closed / Lapsed |