US2416409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trench hoe and the like
Assignee: Individual
•
Filing: 1945-06-11
•
Granted: 1947-02-25
•
Expires: 1965-06-11
Abstract
No abstract record available.
Inventors
- 👤 Vern L Schield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:17
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US133974A
Cited
US304295A
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US1769269A
Cited
US1840550A
Cited
FR709063A
Cited
US1919075A
Cited
GB442961A
Cited
US2044624A
Cited
US2295458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |