US2703205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rail joint assembly
Assignee: Individual
•
Filing: 1950-08-15
•
Granted: 1955-03-01
•
Expires: 1970-08-15
Abstract
No abstract record available.
Inventors
- 👤 Spencer Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:27
CPC Classifications
E; E01; E01B; E01B13/00; E01B13/02; E01B11/00; E01B2201/00; E01B2201/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE15132E
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US630444A
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US985096A
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US1248240A
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US1292555A
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US1410647A
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US1594181A
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US1720578A
Cited
US1817733A
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US1935722A
Cited
US1817225A
Cited
US2244755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-28 | 1958-08-30 | 1959-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-28 | 1962-08-30 | 1963-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-28 | 1966-08-30 | 1967-03-01 | $7700.00 | Window Closed / Lapsed |