US2527008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railroad car truck
Assignee: Individual
•
Filing: 1945-03-15
•
Granted: 1950-10-24
•
Expires: 1965-03-15
Abstract
No abstract record available.
Inventors
- 👤 James L Haynes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:34
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/50; B61F5/52; B61F5/02; B61F5/04; B61F5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US450627A
Cited
US586482A
Cited
US825255A
Cited
US757852A
Cited
US822112A
Cited
US1640180A
Cited
US2063739A
Cited
US2015025A
Cited
US2267589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |