US2418299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power shovel
Assignee: Individual
•
Filing: 1944-11-18
•
Granted: 1947-04-01
•
Expires: 1964-11-18
Abstract
No abstract record available.
Inventors
- 👤 Howard F Gorsuch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:40
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)
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US671925A
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US876517A
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US1328487A
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US1169569A
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US1480623A
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US1444670A
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US1783787A
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US2109388A
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US2162994A
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US2139255A
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US2286537A
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US2338361A
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US2370661A
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US2365168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-31 | 1950-09-30 | 1951-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-31 | 1954-09-30 | 1955-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-31 | 1958-09-30 | 1959-04-01 | $7700.00 | Window Closed / Lapsed |