US1482389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of and mixture for making glass
Assignee: Individual
•
Filing: 1921-02-10
•
Granted: 1924-02-05
•
Expires: 1941-02-10
Abstract
No abstract record available.
Inventors
- 👤 D Adrian Alexander L Duval
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:00
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1927-02-04 | 1927-08-06 | 1928-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-02-04 | 1931-08-06 | 1932-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-02-04 | 1935-08-06 | 1936-02-05 | $7700.00 | Window Closed / Lapsed |