US2602697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer device
Assignee: Individual
•
Filing: 1949-02-23
•
Granted: 1952-07-08
•
Expires: 1969-02-23
Abstract
No abstract record available.
Inventors
- 👤 Paul F Otto
- 👤 Edward H Warne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:40
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/04; E03C1/046; Y; Y10; Y10T; Y10T137/00; Y10T137/4891; Y10T137/8593; Y10T137/87265; Y10T137/87338; Y10T137/87346; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US478157A
Cited
US1032879A
Cited
US1476090A
Cited
US1579869A
Cited
US1786561A
Cited
US2235278A
Cited
US2514225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |