US3216663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for watering plants
Assignee: Macpennys Mist Propagation Ltd
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Filing: 1963-11-13
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Granted: 1965-11-09
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Expires: 1983-11-13
Abstract
No abstract record available.
Inventors
- 👤 Ronald C Frampton
- 👤 Douglas B Lowndes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:03
CPC Classifications
A; A01; A01G; A01G27/00; A01G27/001; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2554; Y10T137/2713; Y10T137/2774
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
APPARATUS FOR PERIODICALLY DISCHARGING A CONTROLLABLE QUANTITY OF LIQUID TO AN IRRIGATION PIPE LINE, THE APPARATUS COMPRISING A TANK, A SUPPLY PIPE POSITIONED TO FEED SAID TANK WITH LIQUID, MEANS FOR REGULATING THE RATE OF FLOW OF LIQUID TO SAID TANK A SYPHON TUBE MOUNTED IN SAID TANK FOR SYPHON TUBE HAVING A DISCHARGE LIMB POSITIONED TO DISCHARGE LIQUID FROM WITHIN SAID TANK, WHEN THE LEVEL OF LIQUID THEREIN HAS REACHED A HEIGHT AT WHICH THE SYPHON TUBE WILL OPERATE AND AT LEAST ONE IRRIGATION PIPE LINE CONNECTED TO SAID DISCHARGE LIMB AND HAVING THEREIN AT LEAST ONE DISCHARGE OPENING, SAID REGULATING MENS COMPRISING A CYLINDRICAL HOUSING HAVING INLET MEANS TO BE CONNECTED TO SAID SUPPLY PIPE AND A DRIP TUBE AT ITS OUTLET END POSITIONED TO DISCHARGE INTO SAID TANK, AT LEAST ONE RESILIENT COMPRESSIBLE POROUS PAD, A PLUNGER MOVABLE AXIALLY IN SAID HOUSING TO COMPRESS SAID PAD AND HENCE ALTER ITS POROSITY AND A SCREWED ADJUSTING ROD ENGAGING SAID HOUSING, WHEREBY SAID PLUNGER IS ADJUSTABLE AXIALLY IN THE HOUSING TO VARY THE COMPRESSION OF SAID PAD.
Claim 2
Dependent Claim
178 words
APPARATUS FOR PERIODICALLY DISCHARGING A CONTROLLABLE QUANTITY OF LIQUID TO AN IRRIGATION PIPE LINE, THE APPARATUS COMPRISING A TANK, A SUPPLY PIPE POSITIONED TO FEED SAID TANK WITH LIQUID, MEANS FOR REGULATING THE RATE OF FLOW OF LIQUID TO SAID TANK A SYPHON TUBE MOUNTED IN SAID TANK FOR SYPHON TUBE HAVING A DISCHARGE LIMB POSITIONED TO DISCHARGE LIQUID FROM WITHIN SAID TANK, WHEN THE LEVEL OF LIQUID THEREIN HAS REACHED A HEIGHT AT WHICH THE SYPHON TUBE WILL OPERATE AND AT LEAST ONE IRRIGATION PIPE LINE CONNECTED TO SAID DISCHARGE LIMB AND HAVING THEREIN AT LEAST ONE DISCHARGE OPENING, SAID REGULATING MENS COMPRISING A CYLINDRICAL HOUSING HAVING INLET MEANS TO BE CONNECTED TO SAID SUPPLY PIPE AND A DRIP TUBE AT ITS OUTLET END POSITIONED TO DISCHARGE INTO SAID TANK, AT LEAST ONE RESILIENT COMPRESSIBLE POROUS PAD, A PLUNGER MOVABLE AXIALLY IN SAID HOUSING TO COMPRESS SAID PAD AND HENCE ALTER ITS POROSITY AND A SCREWED ADJUSTING ROD ENGAGING SAID HOUSING, WHEREBY SAID PLUNGER IS ADJUSTABLE AXIALLY IN THE HOUSING TO VARY THE COMPRESSION OF SAID PAD.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |