US1646582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer and proportioner
Assignee: Individual
•
Filing: 1926-08-09
•
Granted: 1927-10-25
•
Expires: 1946-08-09
Abstract
No abstract record available.
Inventors
- 👤 Halliburton Erle Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:30
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/02; B28C5/06; B01; B01F; B01F25/00; B01F25/20; B01F25/40; B01F25/42; B01F25/43; B01F25/432; B01F25/4321; B01F25/43211; B01F33/00; B01F33/80; B01F33/834; B01F35/00; B01F35/71; B01F35/717; B01F35/7173
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) | 1930-10-24 | 1931-04-25 | 1931-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-10-24 | 1935-04-25 | 1935-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-10-24 | 1939-04-25 | 1939-10-25 | $7700.00 | Window Closed / Lapsed |