Patent US3318531A successfully refreshed from Google Patents.
US3318531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Irrigation pipe propelling apparatus
Assignee: Individual
•
Filing: 1965-08-09
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Granted: 1967-05-09
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Expires: 1985-08-09
Abstract
No abstract record available.
Inventors
- 👤 Funk Elmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:52
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN AN IRRIGATION SYSTEM HAVING AN ELONGATED CONDUIT ADAPTED TO BE CONNECTED AT A PLURALITY OF SPACED LOCATIONS TO A SUPPLY PIPE, MEANS FOR PROPELLING SAID CONDUIT FROM ONE OF SAID LOCATIONS TO ANOTHER COMPRISING A SOURCE OF ELECTRICAL ENERGY, AT LEAST ONE PROPELLING FRAME ROTATABLY SUPPORTING THE CONDUIT, A DRIVE MOTOR ROTATABLY MOUNTED BY THE FRAME, GEAR MEANS DRIVINGLY CONNECTING THE CONDUIT TO THE MOTOR FOR ROTATION THEREOF IN RESPONSE TO ENERGIZATION OF THE MOTOR, ELECTRICAL CONDUCTOR MEANS FIXEDLY MOUNTED ON THE CONDUIT AND ELECTRICALLY CONNECTING THE MOTOR TO THE SOURCE OF ELECTRICAL ENERGY, AND TRACTION WHEEL MEANS MOUNTED BY THE FRAME AND DRIVINGLY CON-
Claim 2
Dependent Claim
106 words
IN AN IRRIGATION SYSTEM HAVING AN ELONGATED CONDUIT ADAPTED TO BE CONNECTED AT A PLURALITY OF SPACED LOCATIONS TO A SUPPLY PIPE, MEANS FOR PROPELLING SAID CONDUIT FROM ONE OF SAID LOCATIONS TO ANOTHER COMPRISING A SOURCE OF ELECTRICAL ENERGY, AT LEAST ONE PROPELLING FRAME ROTATABLY SUPPORTING THE CONDUIT, A DRIVE MOTOR ROTATABLY MOUNTED BY THE FRAME, GEAR MEANS DRIVINGLY CONNECTING THE CONDUIT TO THE MOTOR FOR ROTATION THEREOF IN RESPONSE TO ENERGIZATION OF THE MOTOR, ELECTRICAL CONDUCTOR MEANS FIXEDLY MOUNTED ON THE CONDUIT AND ELECTRICALLY CONNECTING THE MOTOR TO THE SOURCE OF ELECTRICAL ENERGY, AND TRACTION WHEEL MEANS MOUNTED BY THE FRAME AND DRIVINGLY CON-
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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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |