US3533830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fiber size composition and products
Assignee: Owens Corning
•
Filing: 1969-06-23
•
Granted: 1970-10-13
•
Expires: 1989-06-23
Abstract
No abstract record available.
Inventors
- 👤 Alfred Marzocchi
- 👤 Albert E Tamosauskas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:28
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/27; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2918; Y10T428/292; Y10T428/2933; Y10T428/2938; Y10T428/2962; Y10T428/2971; Y10T428/31504; Y10T428/31511; Y10T428/31525; Y10T428/31551; Y10T428/31641; Y10T428/31645
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2561215A
Cited
US2481879A
Cited
US2652353A
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US2673824A
Cited
US2703774A
Cited
US3331885A
Cited
US3424608A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |