US2682677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drain tile cleaner
Assignee: Individual
•
Filing: 1948-12-23
•
Granted: 1954-07-06
•
Expires: 1968-12-23
Abstract
No abstract record available.
Inventors
- 👤 Marshall Raymond Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:41
CPC Classifications
E; E03; E03F; E03F9/00; E03F9/002; F; F16; F16L; F16L2101/00; F16L2101/10; F16L2101/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US672593A
Cited
US789940A
Cited
US951202A
Cited
US955812A
Cited
US1081488A
Cited
US1823144A
Cited
US1897859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |