US2854158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for loading and unloading of truck-trailers and railroad cars
Assignee: Individual
•
Filing: 1956-10-18
•
Granted: 1958-09-30
•
Expires: 1976-10-18
Abstract
No abstract record available.
Inventors
- 👤 Claude L Copeland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:12
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/64; B60P1/6418; B60P1/6436; B61; B61D; B61D47/00; B61D47/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1360412A
Cited
US2053080A
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US2117067A
Cited
US2165641A
Cited
US2168527A
Cited
US2762515A
Cited
US2788193A
Cited
US2828027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |