Patent US2828198A successfully refreshed from Google Patents.
US2828198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plant growth regulants and herbicides
Assignee: Uniroyal Inc
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Filing: 1955-07-21
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Granted: 1958-03-25
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Expires: 1975-07-21
Abstract
No abstract record available.
Inventors
- 👤 Walter D Harris
- 👤 Albert W Feldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:17
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C07F9/1411
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
21 words
A PLANT GROWTH REGULANT AND HERBICIDE COMPRISING A POLY (CHLOROPHENOXYETHYL) PHOSPHITE, SAID PHOSPHITE BEING PERCENT IN A PLANT GROWTH REGULANT CONCENTRATION.
Claim 2
Dependent Claim
21 words
A PLANT GROWTH REGULANT AND HERBICIDE COMPRISING A POLY (CHLOROPHENOXYETHYL) PHOSPHITE, SAID PHOSPHITE BEING PERCENT IN A PLANT GROWTH REGULANT CONCENTRATION.
Claim 3
Independent Claim
28 words
THE METHOD OF CONTROLLING WEEDS IN SOIL WHICH COMPRISES TREATING THE SOIL BEFORE EMERGENCE OF WEEDS WITH A POLY(CHLOROPHENOXYETHYL) PHOSPHITE, SAID PHOSPHITE BEING PRESENT IN A HERBICIDAL CONCENTRATION.
Claim 4
Independent Claim
28 words
THE METHOD OF CONTROLLING WEEDS IN SOIL WHICH COMPRISES TREATING THE SOIL BEFORE EMERGENCE OF WEEDS WITH A POLY(CHLOROPHENOXYETHYL) PHOSPHITE, SAID PHOSPHITE BEING PRESENT IN A HERBICIDAL CONCENTRATION.
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) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |