US2897004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mine vehicle
Assignee: Individual
•
Filing: 1955-12-06
•
Granted: 1959-07-28
•
Expires: 1975-12-06
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Skeens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:01
CPC Classifications
B; B61; B61D; B61D11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US305189A
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US661029A
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US924726A
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US1109603A
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US1155430A
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US2104395A
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US2003878A
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US2039055A
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US2192650A
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US2410754A
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US2558988A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |