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US3469706A
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Assignee: Owens Corning
•
Filing: 1966-12-02
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Granted: 1969-09-30
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Expires: 1986-12-02
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Kissell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:27
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/02; B01D35/14; B01D35/153; B01D2201/00; B01D2201/30; B01D2201/301; B01D2201/304
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) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |