Patent US3651001A successfully refreshed from Google Patents.
US995422A
Expired / Lapsed
US
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Apparatus for mixing and delivering concrete and the like materials.
Assignee: Individual
•
Filing: 1910-12-24
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Granted: 1911-06-13
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Expires: 1930-12-24
Abstract
No abstract record available.
Inventors
- 👤 St John Clarke
- 👤 Rudolph Welcker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:28
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/38; B28C5/381; B28C5/386; B28C5/08; B28C5/18; B28C5/20; B28C5/2045; B28C5/2072; B28C5/209; B28C5/2054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1914-06-12 | 1914-12-12 | 1915-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-06-12 | 1918-12-12 | 1919-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-06-12 | 1922-12-12 | 1923-06-13 | $7700.00 | Window Closed / Lapsed |