US2435390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tie and tie plate assembly
Assignee: Individual
•
Filing: 1944-09-26
•
Granted: 1948-02-03
•
Expires: 1964-09-26
Abstract
No abstract record available.
Inventors
- 👤 Philip D Grover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:43
CPC Classifications
A; A63; A63H; A63H19/00; A63H19/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US625884A
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US961917A
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US1000498A
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US1728593A
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US2094279A
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US2133500A
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US2153625A
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US2277808A
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US2405533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-02 | 1951-08-04 | 1952-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-02 | 1955-08-04 | 1956-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-02 | 1959-08-04 | 1960-02-03 | $7700.00 | Window Closed / Lapsed |