Patent US2698667A successfully refreshed from Google Patents.
US2698667A
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US
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Wheeled vehicle convertible to crawler type
Assignee: Kropp Forge Co
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Filing: 1949-12-16
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Granted: 1955-01-04
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Expires: 1969-12-16
Abstract
No abstract record available.
Inventors
- 👤 Roy A Kropp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:25
CPC Classifications
B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/08; B62D55/00; B62D55/04; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1262896A
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US1350668A
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US1498525A
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US1980033A
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US2341883A
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US2537400A
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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) | 1958-01-03 | 1958-07-05 | 1959-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-03 | 1962-07-05 | 1963-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-03 | 1966-07-05 | 1967-01-04 | $7700.00 | Window Closed / Lapsed |