US3062670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass reinforced gypsum
Assignee: Owens Corning
•
Filing: 1960-10-05
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Granted: 1962-11-06
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Expires: 1980-10-05
Abstract
No abstract record available.
Inventors
- 👤 Marzocchi Alfred
- 👤 John A Waugh
- 👤 Adrien E Beaudoin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:42
CPC Classifications
C; C04; C04B; C04B14/00; C04B14/38; C04B14/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A COMPOSITION CONSISTING ESSENTIALLY OF GYPSUM PLASTER REINFORCED WITH GLASS FIBERS HAVING AN AVERAGE DIAMETER OF FROM ABOUT 0.003" TO 0.005" AND A RATIO OF FIBER DIAMETER TO FIBER LENGTH OF FROM 0.003 TO 0.020, SAID FIBERS COMPRISING FROM 0.3 TO 3% BY WEIGHT OF THE TOTAL COMPOSITION.
Claim 2
Dependent Claim
48 words
A COMPOSITION CONSISTING ESSENTIALLY OF GYPSUM PLASTER REINFORCED WITH GLASS FIBERS HAVING AN AVERAGE DIAMETER OF FROM ABOUT 0.003" TO 0.005" AND A RATIO OF FIBER DIAMETER TO FIBER LENGTH OF FROM 0.003 TO 0.020, SAID FIBERS COMPRISING FROM 0.3 TO 3% BY WEIGHT OF THE TOTAL COMPOSITION.
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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |