US2544256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reeling, rotating, and driving unit for sewer cleaning rods
Assignee: FLEXIBLE SEWER ROD EQUIPMENT C
•
Filing: 1947-12-20
•
Granted: 1951-03-06
•
Expires: 1967-12-20
Abstract
No abstract record available.
Inventors
- 👤 Peter L Ciaccio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:49
CPC Classifications
E; E03; E03F; E03F9/00; E03F9/002; E03F9/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US514195A
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US942257A
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US1251152A
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US1962466A
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US1982184A
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US2005936A
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US2033816A
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US2210300A
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US2282600A
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US2383843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |