US2970127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass reinforced gypsum composition and process of preparation
Assignee: Owens Corning
•
Filing: 1954-12-28
•
Granted: 1961-01-31
•
Expires: 1974-12-28
Abstract
No abstract record available.
Inventors
- 👤 Slayter Games
- 👤 Richard F Shannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:26
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/14; C04B14/00; C04B14/005; E; E04; E04C; E04C5/00; E04C5/07; E04C5/073; C04B2111/00; C04B2111/00474; C04B2111/00939; Y; Y10; Y10S; Y10S260/00; Y10S260/41; Y10S264/00; Y10S264/19; Y10T; Y10T428/00; Y10T428/249921; Y10T428/31504; Y10T428/31942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PLASTER MASS COMPRISING GYPSUM, A SYNTHETIC RESIN COMPATIBLE WITH THE GYPSUM, AND FROM ABOUT 50 TO 70 PERCENT BY WEIGHT OF FLAKES OF GLASS, SAID FLAKES LYING SUBSTANTIALLY PARALLEL WITH RESPECT TO ONE ANOTHER WITHIN THE PLASTER MASS IN OVERLAPPING LAYERS TO PROVIDE GREAT
Claim 2
Dependent Claim
45 words
A PLASTER MASS COMPRISING GYPSUM, A SYNTHETIC RESIN COMPATIBLE WITH THE GYPSUM, AND FROM ABOUT 50 TO 70 PERCENT BY WEIGHT OF FLAKES OF GLASS, SAID FLAKES LYING SUBSTANTIALLY PARALLEL WITH RESPECT TO ONE ANOTHER WITHIN THE PLASTER MASS IN OVERLAPPING LAYERS TO PROVIDE GREAT
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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) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |