Patent US3054199A successfully refreshed from Google Patents.
US3054199A
Expired / Lapsed
US
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Excavating machine
Assignee: —
•
Filing: —
•
Granted: 1962-09-18
•
Expires: 1979-09-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:30
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/08; E02F3/082; E02F3/085; E02F3/086; E02F3/12; E02F3/14; E02F3/141; E02F3/144; E02F3/147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US879231A
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US1043113A
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US1623957A
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US2617314A
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US2624446A
Cited
US2648145A
Cited
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Cited
US2935801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |