US2920972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass and the method of making it
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1955-06-07
•
Granted: 1960-01-12
•
Expires: 1975-06-07
Abstract
No abstract record available.
Inventors
- 👤 Godron Yves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:40
CPC Classifications
C; C10; C10M; C10M103/00; C03; C03C; C03C3/00; C03C3/12; C03C3/16; C03C3/17; C03C3/19; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/12; C08F20/40; C08F20/62; C08F36/00; C08F36/02; C08F36/20; C10M2201/00; C10M2201/12; C10N; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; Y; Y10; Y10S; Y10S71/00; Y10S71/903; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
GLASS CONTAINING BY WEIGHT PERCENTAGE THE FOLLOWING CONSTITUENTS WITHIN THE FOLLOWING BOUNDARIES:
Claim 2
Dependent Claim
12 words
GLASS CONTAINING BY WEIGHT PERCENTAGE THE FOLLOWING CONSTITUENTS WITHIN THE FOLLOWING BOUNDARIES:
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) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |