US2836131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freight loading apparatus
Assignee: Evans Products Co
•
Filing: 1955-11-07
•
Granted: 1958-05-27
•
Expires: 1975-11-07
Abstract
No abstract record available.
Inventors
- 👤 Nampa Sulo Michael
- 👤 Henry L Dunlap
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:26
CPC Classifications
B; B60; B60P; B60P7/00; B60P7/06; B60P7/135; B60P7/15; B61; B61D; B61D45/00; B61D45/001; B61D45/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20860E
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US1597091A
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US2091869A
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US2268394A
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US2466728A
Cited
US2294795A
Cited
USRE24118E
Cited
US2556302A
Cited
US2497683A
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US2725826A
Cited
US2679214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |