Patent US3021025A successfully refreshed from Google Patents.
US3021025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable delivery spout for bulk material delivery trucks
Assignee: Individual
•
Filing: 1959-04-03
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Granted: 1962-02-13
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Expires: 1979-04-03
Abstract
No abstract record available.
Inventors
- 👤 Jay G Sudenga
- 👤 Floyd H Sudenga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:46
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/08; B65G33/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US565076A
Cited
US762217A
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US1050889A
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US2585169A
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US2481860A
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DE897226C
Cited
US2834493A
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US2877914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |