US2516983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micaceous compositions
Assignee: Corning Glass Works
•
Filing: 1947-09-15
•
Granted: 1950-08-01
•
Expires: 1967-09-15
Abstract
No abstract record available.
Inventors
- 👤 Robert A Hatch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:31
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/36; C01B33/38; C01B33/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A SYNTHETIC MICACEOUS PRODUCT CONSISTING OF A SOLID SOLUTION OF FLUOR-PHLOGOPITE AND TAENIOLITE AS EXPRESSED BY THE FORMULA
Claim 2
Dependent Claim
18 words
A SYNTHETIC MICACEOUS PRODUCT CONSISTING OF A SOLID SOLUTION OF FLUOR-PHLOGOPITE AND TAENIOLITE AS EXPRESSED BY THE FORMULA
References Cited (Backward Citations)
DE367537C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-31 | 1954-01-30 | 1954-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-31 | 1958-01-30 | 1958-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-31 | 1962-01-30 | 1962-08-01 | $7700.00 | Window Closed / Lapsed |