US2473770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of mixing
Assignee: Individual
•
Filing: 1943-06-24
•
Granted: 1949-06-21
•
Expires: 1963-06-24
Abstract
No abstract record available.
Inventors
- 👤 Harry J Seaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:48
CPC Classifications
A; A01; A01B; A01B33/00; A01B33/08; A01B33/12; E; E01; E01C; E01C21/00; Y; Y10; Y10S; Y10S56/00; Y10S56/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1512596A
Cited
US1676646A
Cited
US1878442A
Cited
US2090290A
Cited
US2181320A
Cited
US2214702A
Cited
US2299334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |