Patent US3044196A successfully refreshed from Google Patents.
US3044196A
Expired / Lapsed
US
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Culvert cleaner
Assignee: Individual
•
Filing: 1959-09-14
•
Granted: 1962-07-17
•
Expires: 1979-09-14
Abstract
No abstract record available.
Inventors
- 👤 Edward J Kinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:38
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/30; E02F3/32; E02F3/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1712853A
Cited
US1977287A
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US2334323A
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US2370830A
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US2383686A
Cited
US2493565A
Cited
US2755939A
Cited
US2731283A
Cited
US2949199A
Cited
US2822628A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |