US2437162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Table for vehicles
Assignee: Pennsylvania Railroad Co
•
Filing: 1946-03-09
•
Granted: 1948-03-02
•
Expires: 1966-03-09
Abstract
No abstract record available.
Inventors
- 👤 William M Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:20
CPC Classifications
B; B61; B61D; B61D37/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US440969A
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US597537A
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US830187A
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US1697094A
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US1788878A
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US1975909A
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US2031287A
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US2188897A
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US2328614A
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US2404403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-02 | 1951-09-01 | 1952-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-02 | 1955-09-01 | 1956-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-02 | 1959-09-01 | 1960-03-02 | $7700.00 | Window Closed / Lapsed |