US1355306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Service-water-pipe silt-deflector and filter
Assignee: Individual
•
Filing: 1918-12-30
•
Granted: 1920-10-12
•
Expires: 1938-12-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Brenkert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:06
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/01; B01D29/05
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) | 1923-10-12 | 1924-04-12 | 1924-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-10-12 | 1928-04-12 | 1928-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-10-12 | 1932-04-12 | 1932-10-12 | $7700.00 | Window Closed / Lapsed |