US2664359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass composition
Assignee: Owens Corning
•
Filing: 1951-06-01
•
Granted: 1953-12-29
•
Expires: 1971-06-01
Abstract
No abstract record available.
Inventors
- 👤 David P Dingledy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:57
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/089; C03C3/091; C03C13/00; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
7 words
A GLASS FIBER COMPRISING SUBSTANTIALLY BY WEIGHT:
References Cited (Backward Citations)
US2055446A
Cited
US2468654A
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USRE23049E
Cited
US2523264A
Cited
US2527693A
Cited
US2523265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |