US2938812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treated glass fibers and compositions for use in same
Assignee: Owens Corning
•
Filing: 1954-04-21
•
Granted: 1960-05-31
•
Expires: 1974-04-21
Abstract
No abstract record available.
Inventors
- 👤 Marzocchi Alfred
- 👤 Remus F Caroselli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:39
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/327; D06M15/333; C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/38; D06M13/00; D06M13/10; D06M13/184; D06M13/188; D06M13/50; D06M13/503; D06M15/356; D06M15/3562; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2958; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T428/31649
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
GLASS FIBERS HAVING A COATING FORMED AS A COMPLEX DIRECTLY ON THE GLASS FIBER SURFACES COMPRISING A TITANIUM ESTER COMPLEXED WITH POLYVINYL ALCOHOL.
Claim 2
Dependent Claim
23 words
GLASS FIBERS HAVING A COATING FORMED AS A COMPLEX DIRECTLY ON THE GLASS FIBER SURFACES COMPRISING A TITANIUM ESTER COMPLEXED WITH POLYVINYL ALCOHOL.
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US2552910A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |