Patent US4460386A successfully refreshed from Google Patents.
Patent US3372766A successfully refreshed from Google Patents.
US3372766A
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US
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Combination tractively and thrust propelled vehicle for off-highway and on-highway use and tractive running gear therefor
Assignee: LIFFERTH INTERNATIONAL CORP
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Filing: 1966-05-23
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Granted: 1968-03-12
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Henry R Lifferth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:01
CPC Classifications
B; B62; B62D; B62D57/00; B62D57/02; B62D57/022; Y; Y10; Y10S; Y10S280/00; Y10S280/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2790503A
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US3160220A
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US3146035A
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US3168927A
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US3194583A
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US3215219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |