US2639759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming glass fiber mats
Assignee: Owens Corning
•
Filing: 1947-07-03
•
Granted: 1953-05-26
•
Expires: 1967-07-03
Abstract
No abstract record available.
Inventors
- 👤 Allen L Simison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:14
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/70; D04H1/72; Y; Y10; Y10S; Y10S55/00; Y10S55/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1420162A
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US1948395A
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US1928699A
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US1881932A
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US2233433A
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US2477555A
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US2467291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |