US2846172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fifth-wheel stand for freight vehicles
Assignee: Pullman-Standard Car Manufacturing Co
•
Filing: 1954-07-29
•
Granted: 1958-08-05
•
Expires: 1974-07-29
Abstract
No abstract record available.
Inventors
- 👤 Jack E Gutridge
- 👤 Jr William E Gribnitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:12
CPC Classifications
B; B61; B61D; B61D45/00; B61D45/001; B61D45/004; B61D45/005; B60; B60P; B60P7/00; B60P7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1237154A
Cited
US1202912A
Cited
US1869054A
Cited
US1892589A
Cited
US2036344A
Cited
US2099288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |