Patent US2803491A successfully refreshed from Google Patents.
US2803491A
Expired / Lapsed
US
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Container for transporting bulk material in cargo trailers
Assignee: Individual
•
Filing: 1955-11-07
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Granted: 1957-08-20
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Expires: 1975-11-07
Abstract
No abstract record available.
Inventors
- 👤 Loren A Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:54
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/16; B65D88/22; B60; B60P; B60P1/00; B60P1/64; B62; B62D; B62D53/00; B62D53/04; B62D53/06; B62D53/061; B62D53/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US500773A
Cited
US711197A
Cited
US1259138A
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US1904905A
Cited
US2377989A
Cited
US2712797A
Cited
US3394607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |