Patent US2875503A successfully refreshed from Google Patents.
US2875503A
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Fibrous mats and production thereof
Assignee: Owens Corning
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Filing: 1955-12-27
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Granted: 1959-03-03
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Expires: 1975-12-27
Abstract
No abstract record available.
Inventors
- 👤 Philip J Frickert
- 👤 George E Smock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:50
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/02; D04H3/03; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; B29K; B29K2105/00; B29K2105/06; B29K2105/12; B29K2105/128; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249922
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |