Patent US2807814A successfully refreshed from Google Patents.
US2807814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning brush and scraper for elongated cylindrical work items
Assignee: Individual
•
Filing: 1955-10-07
•
Granted: 1957-10-01
•
Expires: 1975-10-07
Abstract
No abstract record available.
Inventors
- 👤 Lloyd R Leeming
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:29
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/06; A46B17/00; A46B17/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE88250C
Cited
US439916A
Cited
US828189A
Cited
US1548383A
Cited
US1707118A
Cited
US1685328A
Cited
US1766870A
Cited
US2095650A
Cited
US2116406A
Cited
US2322718A
Cited
US2534439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |