US2447374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying coating materials
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1939-10-25
•
Granted: 1948-08-17
•
Expires: 1959-10-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:32
CPC Classifications
D; D04; D04H; D04H11/00; B; B05; B05B; B05B5/00; B05B5/08; B05B5/14; B05C; B05C19/00; B05C19/001; B05C19/002; D21; D21H; D21H19/00; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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GB396385A
Cited
US2027308A
Cited
US1902921A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |