US1023807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding and buffing wheel.
Assignee: American Oil & Supply Co
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Filing: 1911-02-20
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Granted: 1912-04-23
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Expires: 1931-02-20
Abstract
No abstract record available.
Inventors
- 👤 Louis H Brinkman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:53
CPC Classifications
B; B24; B24D; B24D9/00; B24D9/08; B24D9/085
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) | 1915-04-23 | 1915-10-23 | 1916-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-04-23 | 1919-10-23 | 1920-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-04-23 | 1923-10-23 | 1924-04-23 | $7700.00 | Window Closed / Lapsed |