Patent US3013684A successfully refreshed from Google Patents.
US3013684A
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Material hoisting and dumping apparatus
Assignee: Individual
•
Filing: 1959-04-14
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Granted: 1961-12-19
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Expires: 1979-04-14
Abstract
No abstract record available.
Inventors
- 👤 John A King
- 👤 Mccullough Curtis
- 👤 Amado S Montano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:15
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2319456A
Cited
US2482692A
Cited
US2764307A
Cited
US2738222A
Cited
US2689054A
Cited
FR1122867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |