US2967915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting for third rail shoe assembly
Assignee: ThyssenKrupp Budd Co
•
Filing: 1956-10-31
•
Granted: 1961-01-10
•
Expires: 1976-10-31
Abstract
No abstract record available.
Inventors
- 👤 Albert G Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:29
CPC Classifications
B; B61; B61C; B61C15/00; B61C7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735042A
Cited
US885836A
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US985430A
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US1833002A
Cited
US1766639A
Cited
US2190952A
Cited
US2198489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |