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Patent US2537995A successfully refreshed from Google Patents.
US2537995A
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US
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Herbicides
Assignee: Tennessee Products Corp
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Filing: 1945-07-02
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Granted: 1951-01-16
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Expires: 1965-07-02
Abstract
No abstract record available.
Inventors
- 👤 Horace E Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:50
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/52; A; A01; A01N; A01N43/00; A01N43/02; A01N43/04; A01N43/06; A01N43/08; A01N43/14; A01N43/16; A01N61/00; A01N2300/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR437355A
Cited
DE460546C
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US2007433A
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US2079827A
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US2017147A
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GB500549A
Cited
US2173236A
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US2286226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-15 | 1954-07-17 | 1955-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-15 | 1958-07-17 | 1959-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-15 | 1962-07-17 | 1963-01-16 | $7700.00 | Window Closed / Lapsed |