US1343680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating mineral material and product resulting therefrom
Assignee: BLACKSTONE INTERNAT CORP
•
Filing: 1915-07-01
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Granted: 1920-06-15
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Expires: 1935-07-01
Abstract
No abstract record available.
Inventors
- 👤 James A W Pine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:07
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/02; E01C19/10; E01C19/1013; E01C19/104; E01C19/05; E01C19/1059; E01C19/1068; E01C19/1077
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) | 1923-06-15 | 1923-12-15 | 1924-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-06-15 | 1927-12-15 | 1928-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-06-15 | 1931-12-15 | 1932-06-15 | $7700.00 | Window Closed / Lapsed |