US1970762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sand blasting apparatus
Assignee: PPG Industries Inc
•
Filing: 1934-01-06
•
Granted: 1934-08-21
•
Expires: 1954-01-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Miksch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:30
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/18; B24C3/26; B24C3/28; B24C1/00; B24C1/04; Y; Y10; Y10S; Y10S451/00; Y10S451/913
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) | 1937-08-20 | 1938-02-19 | 1938-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-08-20 | 1942-02-19 | 1942-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-08-20 | 1946-02-19 | 1946-08-21 | $7700.00 | Window Closed / Lapsed |