Patent US2997096A successfully refreshed from Google Patents.
US2997096A
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US
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Multiple stage methods and apparatus for curing the binder of fibrous glass masses
Assignee: Owens Corning
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Filing: 1957-05-16
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Granted: 1961-08-22
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Expires: 1977-05-16
Abstract
No abstract record available.
Inventors
- 👤 Albert R Morrison
- 👤 Jose A Apellaniz
- 👤 Belford D Wise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:09
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/24; B29C67/248; B29C67/249; B29C35/00; B29C35/02; B29C35/04; B29C35/06; D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/655; B29C35/045; B29C59/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2161653A
Cited
US2388392A
Cited
US2338839A
Cited
US2577214A
Cited
GB673934A
Cited
GB703023A
Cited
US2655458A
Cited
US2698260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |