US1073149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sand-blast apparatus.
Assignee: W W SLY Manufacturing Co
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Filing: 1912-01-17
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Granted: 1913-09-16
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Expires: 1932-01-17
Abstract
No abstract record available.
Inventors
- 👤 George R Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:37
CPC Classifications
B; B24; B24C; B24C7/00; B24C7/0046
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) | 1916-09-15 | 1917-03-17 | 1917-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-09-15 | 1921-03-17 | 1921-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-09-15 | 1925-03-17 | 1925-09-16 | $7700.00 | Window Closed / Lapsed |