US3095592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe cleaning machine
Assignee: Marco Products Co
•
Filing: 1961-06-05
•
Granted: 1963-07-02
•
Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 Robert G Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:22
CPC Classifications
E; E03; E03F; E03F9/00; E03F9/002; E03F9/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A REEL HOUSING A FLEXIBLE PLUMBERS'' SNAKE FORMED OF A HELICALLY COILED SPRING WIRE, COMPRISING A CIRCULAR WHEEL DISK HAVING A CENTRAL HUB AND HAVING A RIM WITH A DRIVE BELT-RECEIVING PERIPHERAL GROOVE THEREIN, A PLURALITY OF ROD-LIKE MEMBERS MOUNTED IN SAID RIM AT CIRCUMPERENTIALLY SPACED POINTS IN A PLANE ADJACENT BUT AXIALLY SPACED FROM THE GROOVE, SAID MEMBERS EACH INCLUDING A STRAIGHT RADIALLY PROJECTING SECTION IMMEDIATELY BEYOND THE RIM AND A CIRCULARLY CURVED FORWARDLY PROJECTIING ARCUATE SECTION THEREBEYOND EXTENDING THROUGH ABOUT 27O*, AND A RING OF SOMEWHAT GREATER DIAMETER THAN SAID WHEEL DISK SPACED AXIALLY FORWARD THEREOF, THE ARCUATE SECTIONS OF SAID ROD-LIKE MEMBERS HAVING THEIR ENDS MOUNTED IN AND SUPPORTING SAID RING, SAID RING AND WHEEL DISK DEFINING AN ANNULAR OPENING INTO THE ANNULAR SNAKE-RECEIVING SPACE DEFINED BY SAID ROD-LIKE MEMBERS.
Claim 2
Dependent Claim
133 words
A REEL HOUSING A FLEXIBLE PLUMBERS'' SNAKE FORMED OF A HELICALLY COILED SPRING WIRE, COMPRISING A CIRCULAR WHEEL DISK HAVING A CENTRAL HUB AND HAVING A RIM WITH A DRIVE BELT-RECEIVING PERIPHERAL GROOVE THEREIN, A PLURALITY OF ROD-LIKE MEMBERS MOUNTED IN SAID RIM AT CIRCUMPERENTIALLY SPACED POINTS IN A PLANE ADJACENT BUT AXIALLY SPACED FROM THE GROOVE, SAID MEMBERS EACH INCLUDING A STRAIGHT RADIALLY PROJECTING SECTION IMMEDIATELY BEYOND THE RIM AND A CIRCULARLY CURVED FORWARDLY PROJECTIING ARCUATE SECTION THEREBEYOND EXTENDING THROUGH ABOUT 27O*, AND A RING OF SOMEWHAT GREATER DIAMETER THAN SAID WHEEL DISK SPACED AXIALLY FORWARD THEREOF, THE ARCUATE SECTIONS OF SAID ROD-LIKE MEMBERS HAVING THEIR ENDS MOUNTED IN AND SUPPORTING SAID RING, SAID RING AND WHEEL DISK DEFINING AN ANNULAR OPENING INTO THE ANNULAR SNAKE-RECEIVING SPACE DEFINED BY SAID ROD-LIKE MEMBERS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |