US3234448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprinkler control system
Assignee: Individual
•
Filing: 1961-12-26
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Granted: 1966-02-08
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Expires: 1981-12-26
Abstract
No abstract record available.
Inventors
- 👤 Link Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:51
CPC Classifications
G; G04; G04C; G04C23/00; G04C23/14; G04C23/34; G04C23/26; G04C23/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN A MULTIPLE STATION TIMING SYSTEM, THE COMBINATION COMPRISING A MOVABLE CONTROL UNIT HAVING A PLURALITY OF STATIONS MOVABLE PAST A REFERENCE POINT, A FIRST MOTOR FOR MOVING SAID CONTROL UNIT THROUGH A PATH TO CARRY SAID STATIONS SUCCESSIVELY PAST SAID REFERENCE POINT, A SECOND MOTOR OPERABLE AT A SLOWER SPEED THAN SAID FIRST MOTOR FOR MOVING SAID CONTROL UNIT THROUGH SAID PATH, A THIRD MOTOR OPERABLE AT A SLOWER SPEED THAN SAID SECOND MOTOR FOR ALSO MOVING SAID CONTROL UNIT THROUGH SAID PATH, A CIRCUIT FOR ENERGIZING SAID FIRST MOTOR, SAID CIRCUIT INCLUDING A FIRST SWITCH MEANS EFFECTIVE TO DEENERGIZE SAID FIRST MOTOR AND ENERGIZE SAID SECOND MOTOR, SAID CIRCUIT INCLUDING A SECOND SWITCH MEANS EFFECTIVE TO DEENERGIZE SAID FIRST MOTOR AND ENERGIZE SAID THIRD MOTOR, AND SELECTIVELY SETTABLE MEANS ON SAID CONTROL UNIT FOR OPERATING EITHER OF SAID FIRST AND SECOND SWITCH MEANS WHEN SAID CONTROL UNIT IS MOVING THROUGH ONE OF SAID STATIONS.
Claim 2
Dependent Claim
156 words
IN A MULTIPLE STATION TIMING SYSTEM, THE COMBINATION COMPRISING A MOVABLE CONTROL UNIT HAVING A PLURALITY OF STATIONS MOVABLE PAST A REFERENCE POINT, A FIRST MOTOR FOR MOVING SAID CONTROL UNIT THROUGH A PATH TO CARRY SAID STATIONS SUCCESSIVELY PAST SAID REFERENCE POINT, A SECOND MOTOR OPERABLE AT A SLOWER SPEED THAN SAID FIRST MOTOR FOR MOVING SAID CONTROL UNIT THROUGH SAID PATH, A THIRD MOTOR OPERABLE AT A SLOWER SPEED THAN SAID SECOND MOTOR FOR ALSO MOVING SAID CONTROL UNIT THROUGH SAID PATH, A CIRCUIT FOR ENERGIZING SAID FIRST MOTOR, SAID CIRCUIT INCLUDING A FIRST SWITCH MEANS EFFECTIVE TO DEENERGIZE SAID FIRST MOTOR AND ENERGIZE SAID SECOND MOTOR, SAID CIRCUIT INCLUDING A SECOND SWITCH MEANS EFFECTIVE TO DEENERGIZE SAID FIRST MOTOR AND ENERGIZE SAID THIRD MOTOR, AND SELECTIVELY SETTABLE MEANS ON SAID CONTROL UNIT FOR OPERATING EITHER OF SAID FIRST AND SECOND SWITCH MEANS WHEN SAID CONTROL UNIT IS MOVING THROUGH ONE OF SAID STATIONS.
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |