Patent US3014624A successfully refreshed from Google Patents.
US3014624A
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Apparatus for discharging concrete
Assignee: SEIWA MACHINERY Co Ltd
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Filing: 1959-02-17
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Granted: 1961-12-26
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Expires: 1979-02-17
Abstract
No abstract record available.
Inventors
- 👤 Shimatani Minesaburo
- 👤 Saito Tsutoo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:30
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; F; F04; F04B; F04B15/00; F04B15/02; F04B15/023; F04B49/00; F04B49/005; F04B7/00; F04B7/02; F04B7/0266; F04B7/0283; Y; Y10; Y10S; Y10S417/00; Y10S417/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US675401A
Cited
US2062200A
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FR909120A
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US2761424A
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US2643677A
Cited
GB698629A
Cited
FR1139160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |