US1903774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screener equipped pipe line
Assignee: Individual
•
Filing: 1931-06-17
•
Granted: 1933-04-18
•
Expires: 1951-06-17
Abstract
No abstract record available.
Inventors
- 👤 Benjamin S Burrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:30
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/14; B01D35/147; B01D33/00; B01D33/06; B01D33/073; B01D33/44; B01D33/48; B01D33/50; B01D33/503; B01D33/70; B01D35/02; B01D2201/00; B01D2201/28; B01D2201/282
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) | 1936-04-17 | 1936-10-17 | 1937-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-04-17 | 1940-10-17 | 1941-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-04-17 | 1944-10-17 | 1945-04-18 | $7700.00 | Window Closed / Lapsed |