US2218510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor
Assignee: Minneapolis Moline Power Co
•
Filing: 1938-07-01
•
Granted: 1940-10-22
•
Expires: 1958-07-01
Abstract
No abstract record available.
Inventors
- 👤 Victor N Albertson
- 👤 Henningsen John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:40
CPC Classifications
B; B60; B60B; B60B35/00; B60B35/02; B60B35/08; B60B35/10; B60B35/1009; B60B35/1018; B60B35/1072; B60B35/109; B62; B62D; B62D49/00; B62D49/06; B62D49/0657; B60B2310/00; B60B2310/30; B60B2310/305; B60B2900/00; B60B2900/10; B60B2900/112; B60B2900/115; B60Y; B60Y2200/00; B60Y2200/20; B60Y2200/22; B60Y2200/221; Y; Y10; Y10S; Y10S180/00; Y10S180/906
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) | 1943-10-22 | 1944-04-22 | 1944-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-22 | 1948-04-22 | 1948-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-22 | 1952-04-22 | 1952-10-22 | $7700.00 | Window Closed / Lapsed |