US2729002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Excavating and loading machine
Assignee: Individual
•
Filing: 1953-03-02
•
Granted: 1956-01-03
•
Expires: 1973-03-02
Abstract
No abstract record available.
Inventors
- 👤 Charles W Hedgecock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:32
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/18; E02F3/181; E02F3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1790315A
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US839179A
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US1269098A
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DE406809C
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US2287230A
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US2353094A
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US2393563A
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US2426507A
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US2627680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |