Patent US2513784A successfully refreshed from Google Patents.
US2513784A
Expired / Lapsed
US
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Concrete conveyer
Assignee: Individual
•
Filing: 1946-11-30
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Granted: 1950-07-04
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Expires: 1966-11-30
Abstract
No abstract record available.
Inventors
- 👤 Blomquist Johan Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:19
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US626108A
Cited
US1563206A
Cited
US2225215A
Cited
US2233085A
Cited
US2166040A
Cited
US2397305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |