US1082295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electropneumatic control-valve mechanism.
Assignee: Westinghouse Air Brake Co
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Filing: 1910-06-29
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Granted: 1913-12-23
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Expires: 1930-06-29
Abstract
No abstract record available.
Inventors
- 👤 Walter V Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:05
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/66; B60T13/665
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) | 1916-12-22 | 1917-06-23 | 1917-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-12-22 | 1921-06-23 | 1921-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-12-22 | 1925-06-23 | 1925-12-23 | $7700.00 | Window Closed / Lapsed |