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Patent US3027976A successfully refreshed from Google Patents.
US3027976A
Expired / Lapsed
US
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Brake arrangement for railway vehicle truck
Assignee: American Seal Kap Corp of Delaware
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Filing: 1957-11-22
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Granted: 1962-04-03
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Expires: 1977-11-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Soddy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:34
CPC Classifications
B; B61; B61H; B61H5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US598766A
Cited
US1040846A
Cited
US2174401A
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US2263945A
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US2274859A
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US2291016A
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US2351573A
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US2359761A
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US2406440A
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US2464680A
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US2765881A
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US2903097A
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US2883005A
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US2903098A
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US2947384A
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US2954102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |