Patent US2813285A successfully refreshed from Google Patents.
US2813285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial scraping device for pipe cleaning
Assignee: Individual
•
Filing: 1954-03-01
•
Granted: 1957-11-19
•
Expires: 1974-03-01
Abstract
No abstract record available.
Inventors
- 👤 Aslin James Kenneth
- 👤 Brown Adron Willis
- 👤 Howard R Downey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:15
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/023; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/212
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US736053A
Cited
US1099541A
Cited
DE405018C
Cited
US1680372A
Cited
US1898964A
Cited
US1849201A
Cited
US1887853A
Cited
US2691395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |