US2776060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Working device controlling mechanism for materials handling and excavating machines
Assignee: Individual
•
Filing: 1953-08-06
•
Granted: 1957-01-01
•
Expires: 1973-08-06
Abstract
No abstract record available.
Inventors
- 👤 Harold W Compton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:12
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/42; E02F3/427; E02F3/30; E02F3/308
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US14068A
Cited
US16519A
Cited
US553082A
Cited
US1454781A
Cited
US1857302A
Cited
US2139255A
Cited
GB544984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |