US2835209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway car with tilting turntable
Assignee: Individual
•
Filing: 1954-10-12
•
Granted: 1958-05-20
•
Expires: 1974-10-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph G Kavanaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:49
CPC Classifications
B; B61; B61D; B61D47/00; B61D47/005; B61D3/00; B61D3/16; B61D3/18; B61D3/182; B61D3/184; B61D45/00; B61D45/001; B61D45/004; B61D45/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1271812A
Cited
US1449767A
Cited
DE644715C
Cited
US2246543A
Cited
US2373148A
Cited
US2313335A
Cited
US2572776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |