Patent US3224024A successfully refreshed from Google Patents.
US3224024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed means for plumbers' tool
Assignee: Marco Products Co
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Filing: 1964-03-23
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Granted: 1965-12-21
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Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Robert G Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:44
CPC Classifications
E; E03; E03F; E03F9/00; E03F9/002; E03F9/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A FEED DEVICE FOR A PLUMBERS'' TOOL HAVING A HELICALLY COILED SPRING WIRE PLUMBERS'' SNAKE POWER MEANS FOR ROTATING THE SNAKE, COMPRISING A BODY ADAPTED TO BE ATTACHED TO THE PLUMBERS'' TOOL AND THROUGH WHICH THE SNAKE PASSES, AT LEAST ONE GENERALLY CYLINDRICAL FEED ROLLER MOUNTED IN SAID BODY FOR ROTATION NO AN AXIS PARALLEL TO THE AXIS OF THE SNAKE, SAID ROLLER HAVING A PERIPHERAL SURFACE CHARACTERIZED BY A HELICAL GROOVE OF A SIZE AND PITCH SUBSTANTIALLY TO MESH WITH THE SNAKE, AND MEANS MOVABLE MOUNTED IN SAID BODY ADAPTED TO BE BROUGHT INTO ENGAGEMENT WITH SAID SNAKE IN A POSITION AND MANNER SUCH AS TO MOVE THE SNAKE LATERALLY INTO MESH WITH SAID FEED ROLLER.
Claim 2
Dependent Claim
117 words
A FEED DEVICE FOR A PLUMBERS'' TOOL HAVING A HELICALLY COILED SPRING WIRE PLUMBERS'' SNAKE POWER MEANS FOR ROTATING THE SNAKE, COMPRISING A BODY ADAPTED TO BE ATTACHED TO THE PLUMBERS'' TOOL AND THROUGH WHICH THE SNAKE PASSES, AT LEAST ONE GENERALLY CYLINDRICAL FEED ROLLER MOUNTED IN SAID BODY FOR ROTATION NO AN AXIS PARALLEL TO THE AXIS OF THE SNAKE, SAID ROLLER HAVING A PERIPHERAL SURFACE CHARACTERIZED BY A HELICAL GROOVE OF A SIZE AND PITCH SUBSTANTIALLY TO MESH WITH THE SNAKE, AND MEANS MOVABLE MOUNTED IN SAID BODY ADAPTED TO BE BROUGHT INTO ENGAGEMENT WITH SAID SNAKE IN A POSITION AND MANNER SUCH AS TO MOVE THE SNAKE LATERALLY INTO MESH WITH SAID FEED ROLLER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |