US2779583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle weight responsive means
Assignee: Westinghouse Air Brake Co
•
Filing: 1954-01-22
•
Granted: 1957-01-29
•
Expires: 1974-01-22
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Bone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:00
CPC Classifications
B; B61; B61L; B61L1/00; B61L1/02; B61L1/10; Y; Y10; Y10S; Y10S177/00; Y10S177/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1338647A
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US1708333A
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US2036458A
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US2195451A
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US2370784A
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US2543794A
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US2646904A
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US2499033A
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US2666262A
Cited
DE829805C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |