US1233574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Earth-cutting blade.
Assignee: Individual
•
Filing: 1916-10-12
•
Granted: 1917-07-17
•
Expires: 1936-10-12
Abstract
No abstract record available.
Inventors
- 👤 August Hemme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:18
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2808
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) | 1920-07-16 | 1921-01-15 | 1921-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-07-16 | 1925-01-15 | 1925-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-07-16 | 1929-01-15 | 1929-07-17 | $7700.00 | Window Closed / Lapsed |