US3174844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fertilizing turf with a non-burning fertilizer
Assignee: WR Grace and Co
•
Filing: 1963-01-23
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Granted: 1965-03-23
•
Expires: 1983-01-23
Abstract
No abstract record available.
Inventors
- 👤 Grover L Bridger
- 👤 John F Mccullough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:53
CPC Classifications
C; C05; C05B; C05B7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A METHOD FOR FERTILIZING TURF WITHOUT BURNING SAID TURF WHICH COMPRISES SPRAYING A DISPERSION CONSISTING ESSENTAILLY OF ABOUT 0.253-1.31 POUND OF AMMONIUM PHOSPHATE HAVING A RATIO OF N-P2O5-K2O OF 16-48-0, AOBUT 0.0493-0.257 POUND OF MAGNESIUM OXIDE, ABOUT 0.104-0.541 POUND OF COPPERAS, ABOUT 0.453-0.253 POUND OF UREA, AND AOBUT 0.0488-0.253 POUND OF POTASSIUM CHLORIDE PER GALLON OF WATER ON SAID TURJF AT A RATE CORRESPONDING TO ABOUT 0.5-4 POUNDS OF NITROGEN PER 1000 SQUARE FEET OF TURF.
Claim 2
Independent Claim
76 words
A METHOD FOR FERTILIZING TURF WITHOUT BURNING SAID TURF WHICH COMPRISES SPRAYING A DISPERSION CONSISTING ESSENTAILLY OF ABOUT 0.253-1.31 POUND OF AMMONIUM PHOSPHATE HAVING A RATIO OF N-P2O5-K2O OF 16-48-0, AOBUT 0.0493-0.257 POUND OF MAGNESIUM OXIDE, ABOUT 0.104-0.541 POUND OF COPPERAS, ABOUT 0.453-0.253 POUND OF UREA, AND AOBUT 0.0488-0.253 POUND OF POTASSIUM CHLORIDE PER GALLON OF WATER ON SAID TURJF AT A RATE CORRESPONDING TO ABOUT 0.5-4 POUNDS OF NITROGEN PER 1000 SQUARE FEET OF TURF.
References Cited (Backward Citations)
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Cited
US1953419A
Cited
GB492596A
Cited
US2680680A
Cited
US2827368A
Cited
US2950183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |