US2443646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid distribution system
Assignee: Baker Petrolite LLC
•
Filing: 1943-04-19
•
Granted: 1948-06-22
•
Expires: 1963-04-19
Abstract
No abstract record available.
Inventors
- 👤 Delber W Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:12
CPC Classifications
B; B01; B01F; B01F33/00; B01F33/80
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US519083A
Cited
US921348A
Cited
US1001557A
Cited
US1112416A
Cited
US1714888A
Cited
US1847404A
Cited
US2041539A
Cited
US2100057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-22 | 1951-12-22 | 1952-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-22 | 1955-12-22 | 1956-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-22 | 1959-12-22 | 1960-06-22 | $7700.00 | Window Closed / Lapsed |