Patent US3042238A successfully refreshed from Google Patents.
US3042238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Containers for transporting and dumping materials
Assignee: Dempster Brothers Inc
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Filing: 1959-08-03
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Granted: 1962-07-03
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Expires: 1979-08-03
Abstract
No abstract record available.
Inventors
- 👤 Mac B Bryan
- 👤 Henry C French
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:01
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/48; B60P1/483; B65; B65F; B65F1/00; B65F1/12; B65F1/122; B65F1/125; B65F1/14; B65F1/1468
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |