US2557618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush and shrub killer
Assignee: STULL S CHEMICALS Inc
•
Filing: 1948-08-03
•
Granted: 1951-06-19
•
Expires: 1968-08-03
Abstract
No abstract record available.
Inventors
- 👤 Emerson B Stull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:53
CPC Classifications
A; A01; A01N; A01N39/00; A01N39/02; A01N39/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A BRUSH AND SHRUB KILLER CONSISTING OF A CHLORINATED PHENOXYACETIC ACID HERBICIDE IN A NON-PHYTOTOXIC HORTICULTURAL BASE OIL HAVING A BOILING RANGE OF 500-636* F. AND AN UNSULFONATED RESIDUE OF 94 PER CENT BY VOLUME.
Claim 2
Dependent Claim
35 words
A BRUSH AND SHRUB KILLER CONSISTING OF A CHLORINATED PHENOXYACETIC ACID HERBICIDE IN A NON-PHYTOTOXIC HORTICULTURAL BASE OIL HAVING A BOILING RANGE OF 500-636* F. AND AN UNSULFONATED RESIDUE OF 94 PER CENT BY VOLUME.
References Cited (Backward Citations)
US1949798A
Cited
US2209905A
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US2309941A
Cited
US2453983A
Cited
US2322761A
Cited
US2326471A
Cited
US2450543A
Cited
US2396513A
Cited
US2447475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |