US2597444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rail bond terminal
Assignee: RAILROAD ACCESSORIES CORP
•
Filing: 1948-01-21
•
Granted: 1952-05-20
•
Expires: 1968-01-21
Abstract
No abstract record available.
Inventors
- 👤 Harold J Brown
- 👤 Frederick C Lavarack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:47
CPC Classifications
B; B60; B60M; B60M5/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US582849A
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US587134A
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US601707A
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US1615187A
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US2135888A
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US2232999A
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US2248845A
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US2283095A
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US2259368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |