Patent US2165280A successfully refreshed from Google Patents.
US2165280A
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US
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Method and apparatus for forming a fibrous mat
Assignee: Owens Corning
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Filing: 1936-06-03
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Granted: 1939-07-11
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Expires: 1956-06-03
Abstract
No abstract record available.
Inventors
- 👤 George M Lannan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:00
CPC Classifications
D; D04; D04H; D04H1/00; B; B27; B27N; B27N3/00; B27N3/08; B27N3/18; B27N3/183; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1075; Y10T156/12; Y10T156/13; Y10T29/00; Y10T29/14; Y10T29/147
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) | 1942-07-10 | 1943-01-09 | 1943-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-07-10 | 1947-01-09 | 1947-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-07-10 | 1951-01-09 | 1951-07-11 | $7700.00 | Window Closed / Lapsed |