US2693244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiwheeler with angle drive
Assignee: Rockwell Spring and Axle Co
•
Filing: 1950-06-15
•
Granted: 1954-11-02
•
Expires: 1970-06-15
Abstract
No abstract record available.
Inventors
- 👤 Walter F Rockwell
- 👤 Lawrence R Buckendale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:21
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/36; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19688; Y10T74/19693
Claims Analysis
Total Claims: 0
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US2195479A
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US2228581A
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GB622579A
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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) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |