US3513613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film faced fibrous body and apparatus for supporting the same
Assignee: Owens Corning
•
Filing: 1968-01-31
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Granted: 1970-05-26
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Expires: 1988-01-31
Abstract
No abstract record available.
Inventors
- 👤 Isaac Palmer Jones
- 👤 Homer W Duffee
- 👤 Daniel A Mc-Cartan
- 👤 John W Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:14
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/065; E04B9/067; E04B9/068; E04B9/064; E04B9/22; E04B9/24; E04B9/26; E04B9/30; E04B9/303; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0803; E04F13/0805
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) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |