Patent US3834148A successfully refreshed from Google Patents.
Patent US2207283A successfully refreshed from Google Patents.
US2207283A
Expired / Lapsed
US
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Supporting runner
Assignee: Deere and Co
•
Filing: 1937-07-19
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Granted: 1940-07-09
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Expires: 1957-07-19
Abstract
No abstract record available.
Inventors
- 👤 Brown Theophilus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:32
CPC Classifications
B; B60; B60B; B60B15/00; B60B15/26; B62; B62D; B62D49/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-07-09 | 1944-01-08 | 1944-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-09 | 1948-01-08 | 1948-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-09 | 1952-01-08 | 1952-07-09 | $7700.00 | Window Closed / Lapsed |