US3169072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic bodies and their production
Assignee: Corning Glass Works
•
Filing: 1963-03-20
•
Granted: 1965-02-09
•
Expires: 1983-03-20
Abstract
No abstract record available.
Inventors
- 👤 Floyd A Hummel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:47
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
AS AN ARTICLE OF MANUFACTURE, A MECHANICALLY STRONG, LOW POROSITY, LOW EXPANSION CERAMIC BODY CONSISTING ESSENTIALLY ALL OF A SINGLE PHASE SOLID SOLUTION OF MG2SIO4 IN ZN2SIO4 WHEREIN THE MG2SIO4 IS ANALYTICALLY PRESENT IN AN AMOUNT OF ABOUT 0.5 TO 42 MOLE PERCENT AND THE REMAIDER IS SUBSTANTIALLY ALL ZN2SIO4.
Claim 2
Dependent Claim
50 words
AS AN ARTICLE OF MANUFACTURE, A MECHANICALLY STRONG, LOW POROSITY, LOW EXPANSION CERAMIC BODY CONSISTING ESSENTIALLY ALL OF A SINGLE PHASE SOLID SOLUTION OF MG2SIO4 IN ZN2SIO4 WHEREIN THE MG2SIO4 IS ANALYTICALLY PRESENT IN AN AMOUNT OF ABOUT 0.5 TO 42 MOLE PERCENT AND THE REMAIDER IS SUBSTANTIALLY ALL ZN2SIO4.
References Cited (Backward Citations)
GB384473A
Cited
US2139686A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |