US3309474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rainfall actuated switching apparatus
Assignee: Individual
•
Filing: 1966-01-25
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Granted: 1967-03-14
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Expires: 1986-01-25
Abstract
No abstract record available.
Inventors
- 👤 Elmer G Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:48
CPC Classifications
H; H01; H01H; H01H35/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7339; Y10T137/7355
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A RAINFALL-ACTUATED SWITCHING APPARATUS COMPRISING: A BRACKET; A LEVER; MEANS PIVOTALLY MOUNTING SAID LEVER ON SAID BRACKET FOR SWINGING OF THE LEVER THROUGH A VERTICAL PLANE; A CUP; READILY RELEASABLE STRUCTURE SECURING SAID CUP TO THE LEVER AT ANY ONE OF A NUMBER OF POSITIONS ALONG THE LENGTH OF SAID LEVER, EACH OF SAID POSITIONS CORRESPONDING TO A SELECTIVE DEPTH OF RAINFALL, THE OPEN END OF THE CUP NORMALLY BEING DISPOSED UPWARDLY; A BALANCING ELEMENT CONNECTED TO SAID LEVER TO NORMALLY YIELDABLY DISPOSE THE CUP IN AN UPPER OPERATING POSITION; AND A SWITCH POSITIONED ADJACENT SAID LEVER AND ACTUATED THEREBY WHEN THE LEVER AND CUP ARE PIVOTED AGAINST THE RESISTANCE OF SAID BALANCING ELEMENT FROM THE CUP''S UPPER OPERATING POSITION TO A PREDETERMINED LOWER OPERATING POSITION IN RESPONSE TO THE WEIGHT OF RAIN FALLING INTO SAID CUP.
Claim 2
Dependent Claim
137 words
A RAINFALL-ACTUATED SWITCHING APPARATUS COMPRISING: A BRACKET; A LEVER; MEANS PIVOTALLY MOUNTING SAID LEVER ON SAID BRACKET FOR SWINGING OF THE LEVER THROUGH A VERTICAL PLANE; A CUP; READILY RELEASABLE STRUCTURE SECURING SAID CUP TO THE LEVER AT ANY ONE OF A NUMBER OF POSITIONS ALONG THE LENGTH OF SAID LEVER, EACH OF SAID POSITIONS CORRESPONDING TO A SELECTIVE DEPTH OF RAINFALL, THE OPEN END OF THE CUP NORMALLY BEING DISPOSED UPWARDLY; A BALANCING ELEMENT CONNECTED TO SAID LEVER TO NORMALLY YIELDABLY DISPOSE THE CUP IN AN UPPER OPERATING POSITION; AND A SWITCH POSITIONED ADJACENT SAID LEVER AND ACTUATED THEREBY WHEN THE LEVER AND CUP ARE PIVOTED AGAINST THE RESISTANCE OF SAID BALANCING ELEMENT FROM THE CUP''S UPPER OPERATING POSITION TO A PREDETERMINED LOWER OPERATING POSITION IN RESPONSE TO THE WEIGHT OF RAIN FALLING INTO SAID CUP.
References Cited (Backward Citations)
US2843693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |