US2526520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water tank for concrete mixer, with mixing-water and flushing-water compartments, and a discharge valve for each compartment
Assignee: Worthington Pump and Machinery Corp
•
Filing: 1945-04-10
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Granted: 1950-10-17
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Expires: 1965-04-10
Abstract
No abstract record available.
Inventors
- 👤 Saspe Henry C Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:50
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/04; B28C7/12; B28C7/122; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/4857; Y10T137/4874; Y10T137/8158; Y10T137/8225; Y10T137/8359; Y10T137/8593; Y10T137/86187; Y10T137/86236; Y10T137/8626; Y10T137/87571; Y10T137/87676; Y10T137/87684
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US346033A
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US442916A
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US1395168A
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US1536247A
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US1930618A
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US1888551A
Cited
US2147048A
Cited
US2316132A
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US2374970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |