Patent US4059687A successfully refreshed from Google Patents.
US2264170A
Expired / Lapsed
US
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Mixing of materials
Assignee: Individual
•
Filing: 1940-03-18
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Granted: 1941-11-25
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Expires: 1960-03-18
Abstract
No abstract record available.
Inventors
- 👤 Stancliffe Cecil Wheatley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:26
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/08; B28C5/34; B28C5/36; B28C5/365; B01; B01F; B01F27/00; B01F27/05; B01F27/07; B01F27/072; B01F27/0721; B01F27/0725; B01F27/11; B01F27/112; B01F27/1121; B01F27/23; B01F27/232; B01F27/2322; B01F27/80; B01F33/00; B01F33/50; B01F33/502
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) | 1944-11-24 | 1945-05-26 | 1945-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-11-24 | 1949-05-26 | 1949-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-11-24 | 1953-05-26 | 1953-11-25 | $7700.00 | Window Closed / Lapsed |