Patent US3293681A successfully refreshed from Google Patents.
US3293681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewer cleaning machine
Assignee: BRIEN Manufacturing CORP O
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Filing: 1966-02-02
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Granted: 1966-12-27
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Expires: 1986-02-02
Abstract
No abstract record available.
Inventors
- 👤 Burton L Siegal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:56
CPC Classifications
E; E03; E03F; E03F9/00; E03F9/002; E03F9/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A SEWER CLEANING MACHINE FOR SELECTIVELY FEEDING IN OPPOSITE DIRECTIONS TO AND FROM A SEWER OR THE LIKE AN ELONGATED COMPOSITE SECTIONAL ROD IN THE FORM OF A SERIES OF ALTERNATELY ARRANGED ROD SECTIONS AND COUPLERS, IN COMBINATION, A ROD-STORAGE BASKET ADAPTED TO RECEIVING THE ROD IN A COILED CONDITION, HAVING A FORWARD FEED APERTURE FOR THE ROD, AND ROTATABLE ABOUT A HORIZONTAL AXIS PASSING THROUGH THE FEED APERTURE, A ROD DRIVE UNIT POSITIONED FORWARDLY OF THE BASKET AND COMPRISING A REVERSIBLE CHAIN AND SPROCKET CONVEYOR HAVING ITS CHAIN PROVIDED WITH A REACH SECTION DISPOSED IN COEXTENSIVE HORIZONTAL REGISTER WITH THE FEED APERTURE, AND ADAPTED TO RECEIVE THE ROD COEXTENSIVELY THEREALONG FOR ROD-IMPELLING PURPOSES, A SERIES OF PUSHER BLOCKS MOUNTED ON SAID CHAIN AND SELECTIVELY ENGAGEABLE WITH THE LEADING AND TRAILING END FACES
Claim 2
Dependent Claim
134 words
IN A SEWER CLEANING MACHINE FOR SELECTIVELY FEEDING IN OPPOSITE DIRECTIONS TO AND FROM A SEWER OR THE LIKE AN ELONGATED COMPOSITE SECTIONAL ROD IN THE FORM OF A SERIES OF ALTERNATELY ARRANGED ROD SECTIONS AND COUPLERS, IN COMBINATION, A ROD-STORAGE BASKET ADAPTED TO RECEIVING THE ROD IN A COILED CONDITION, HAVING A FORWARD FEED APERTURE FOR THE ROD, AND ROTATABLE ABOUT A HORIZONTAL AXIS PASSING THROUGH THE FEED APERTURE, A ROD DRIVE UNIT POSITIONED FORWARDLY OF THE BASKET AND COMPRISING A REVERSIBLE CHAIN AND SPROCKET CONVEYOR HAVING ITS CHAIN PROVIDED WITH A REACH SECTION DISPOSED IN COEXTENSIVE HORIZONTAL REGISTER WITH THE FEED APERTURE, AND ADAPTED TO RECEIVE THE ROD COEXTENSIVELY THEREALONG FOR ROD-IMPELLING PURPOSES, A SERIES OF PUSHER BLOCKS MOUNTED ON SAID CHAIN AND SELECTIVELY ENGAGEABLE WITH THE LEADING AND TRAILING END FACES
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |