US3229913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn spraying device
Assignee: Henkel Corp
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Filing: 1963-12-17
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Granted: 1966-01-18
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Expires: 1983-12-17
Abstract
No abstract record available.
Inventors
- 👤 John E Waldrum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:16
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/30; B05B1/3006; B05B3/00; B05B3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A LAWN SPRAYING DEVICE FOR HANDLING THIN OR THICK LIQUIDS COMPRISING AN INLET TUBE HAVING FIRST AND SECOND OPEN ENDS, SAID SECOND OPEN END BEING ADAPTED TO BE CLOSED FOR A PREDETERMINED TIME BY BALL VALVE MEANS, A CENTRIFUGAL VALVE RELEASE PLATE HAVING AT LEAST TWO SECTIONS AND BEING SPACED FROM SAID SECOND OPEN END, SAID VALVE RELEASE PLATE BEING ADAPTED TO FREELY SUPPORT SAID BALL VALVE MEANS, MEANS TO ROTATE SAID VALVE RELEASE PLATE, MEANS TO SUPPLY LIQUID TO SAID FIRST OPEN END AND MEANS TO ROTATE SAID VALVE RELEASE PLATE, SAID LAST-NAMED MEANS CAUSING SAID PLATE SECTIONS TO SEPARATE UPON ROTATION, SAID BALL VALVE MEANS THEREBY DROPPING AWAY VIA GRAVITY FROM SAID SECOND OPEN END AND SAID LIQUID DISCHARGING THEREFROM, AND WHEREBY WHEN SAID VALVE RELEASE PLATE IS STATIONARY, SAID BALL VALVE MEANS CLOSINGLY ENGAGES SAID SECOND OPEN END.
Claim 2
Dependent Claim
141 words
A LAWN SPRAYING DEVICE FOR HANDLING THIN OR THICK LIQUIDS COMPRISING AN INLET TUBE HAVING FIRST AND SECOND OPEN ENDS, SAID SECOND OPEN END BEING ADAPTED TO BE CLOSED FOR A PREDETERMINED TIME BY BALL VALVE MEANS, A CENTRIFUGAL VALVE RELEASE PLATE HAVING AT LEAST TWO SECTIONS AND BEING SPACED FROM SAID SECOND OPEN END, SAID VALVE RELEASE PLATE BEING ADAPTED TO FREELY SUPPORT SAID BALL VALVE MEANS, MEANS TO ROTATE SAID VALVE RELEASE PLATE, MEANS TO SUPPLY LIQUID TO SAID FIRST OPEN END AND MEANS TO ROTATE SAID VALVE RELEASE PLATE, SAID LAST-NAMED MEANS CAUSING SAID PLATE SECTIONS TO SEPARATE UPON ROTATION, SAID BALL VALVE MEANS THEREBY DROPPING AWAY VIA GRAVITY FROM SAID SECOND OPEN END AND SAID LIQUID DISCHARGING THEREFROM, AND WHEREBY WHEN SAID VALVE RELEASE PLATE IS STATIONARY, SAID BALL VALVE MEANS CLOSINGLY ENGAGES SAID SECOND OPEN END.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |