Patent US1980141A successfully refreshed from Google Patents.
Patent US3370599A successfully refreshed from Google Patents.
US3370599A
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Sewer cleaning apparatus with rotary hydraulic cleaning tool
Assignee: Flexible Inc
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Filing: 1965-10-21
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Granted: 1968-02-27
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Peter L Ciaccio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:18
CPC Classifications
E; E03; E03F; E03F9/00; E03F9/002; E03F9/005; B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/043; B08B9/0433; B08B9/045; B08B2209/00; B08B2209/02; B08B2209/027; B08B2209/04; B08B2209/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US578983A
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US809880A
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US1176518A
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US1274931A
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US1684713A
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US2758917A
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US2960851A
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US3165109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |