US3084055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cadmium phosphate glass
Assignee: Individual
•
Filing: 1960-11-16
•
Granted: 1963-04-02
•
Expires: 1980-11-16
Abstract
No abstract record available.
Inventors
- 👤 Harry W Carpenter
- 👤 Peter D Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:18
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/12; C03C3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A METHOD OF PREPARING A CADMIUM PHOSPHATE GLASS WHICH COMPRISES PROVIDING A MIXTURE CONSISTING ESSENTIALLY OF A CADMIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF CDO, CDCO3 AND CDNO3, AND AN AMMONIUM PHOSPHATE COMPOUND, IN A CADMIUM:PHOSPHATE MOLE RATIO OF ABOUT 1:2 TO 3:2, AND HEATING SAID MIXTURE TO A TEMPERATURE OF AT LEAST ABOUT 850* C. TO OBTAIN A CADMIUM PHOSPHATE GLASS.
Claim 2
Dependent Claim
30 words
THE METHOD OF CLAIM 4, WHEREIN UP TO APPROXIMATELY 4 WEIGHT PERCENT OF A CERMAIC OXIDE SELECTED FROM THE GROUP CONSISTING OF SIO2, AND AL2O3 IS ADDED TO SAID MIXTURE.
References Cited (Backward Citations)
GB476945A
Cited
US2532386A
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 |