US2154171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle brake
Assignee: Midland Steel Products Co
•
Filing: 1936-09-21
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Granted: 1939-04-11
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Expires: 1956-09-21
Abstract
No abstract record available.
Inventors
- 👤 Gerhard C R Kuiper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:29
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/241; B60T13/246; Y; Y10; Y10S; Y10S137/00; Y10S137/907; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/8593; Y10T137/86928
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) | 1942-04-10 | 1942-10-10 | 1943-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-04-10 | 1946-10-10 | 1947-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-04-10 | 1950-10-10 | 1951-04-11 | $7700.00 | Window Closed / Lapsed |