US2336052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamic braking
Assignee: Allis Chalmers Corp
•
Filing: 1941-02-10
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Granted: 1943-12-07
•
Expires: 1961-02-10
Abstract
No abstract record available.
Inventors
- 👤 Harold R Anderson
- 👤 James L Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:18
CPC Classifications
B; B60; B60L; B60L7/00; B60L7/20; B60L50/00; B60L50/10; B60L7/02; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y02T10/7072
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) | 1946-12-06 | 1947-06-07 | 1947-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-12-06 | 1951-06-07 | 1951-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-12-06 | 1955-06-07 | 1955-12-07 | $7700.00 | Window Closed / Lapsed |