US1005544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutter for excavators.
Assignee: HELM SCHMIDT
•
Filing: 1911-02-23
•
Granted: 1911-10-10
•
Expires: 1931-02-23
Abstract
No abstract record available.
Inventors
- 👤 John Sheldon Henderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:56
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/18; E02F3/20; E02F3/205
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1914-10-09 | 1915-04-10 | 1915-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-10-09 | 1919-04-10 | 1919-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-10-09 | 1923-04-10 | 1923-10-10 | $7700.00 | Window Closed / Lapsed |