US1983151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coloring agents for glass batches and method of employing same
Assignee: Individual
•
Filing: 1934-07-18
•
Granted: 1934-12-04
•
Expires: 1954-07-18
Abstract
No abstract record available.
Inventors
- 👤 Silverman Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:29
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/10; C09C1/12; C03; C03C; C03C1/00; C03C1/10; C03C14/00; C03C14/006; C03C4/00; C03C4/02; C01; C01P; C01P2002/00; C01P2002/50; C01P2006/00; C01P2006/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-12-03 | 1938-06-04 | 1938-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-03 | 1942-06-04 | 1942-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-03 | 1946-06-04 | 1946-12-04 | $7700.00 | Window Closed / Lapsed |