US3084054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass composition
Assignee: Individual
•
Filing: 1960-03-15
•
Granted: 1963-04-02
•
Expires: 1980-03-15
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Tiede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:53
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/083; C03C13/00; C03C3/062; C03C3/085; C03C3/087; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A GLASS COMPOSITION ESSENTIALLY OF FROM 35-70% BY WEIGHT SIO2, FROM 5-35% BY WEIGHT NA2O,
Claim 2
Dependent Claim
15 words
A GLASS COMPOSITION ESSENTIALLY OF FROM 35-70% BY WEIGHT SIO2, FROM 5-35% BY WEIGHT NA2O,
References Cited (Backward Citations)
GB793866A
Cited
US2928780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |