Patent US3309192A successfully refreshed from Google Patents.
US3309192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of controlling seedling weed grasses
Assignee: EIDP Inc
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Filing: 1964-12-02
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Granted: 1967-03-14
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Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Luckenbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:06
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
METHOD OF SELECTIVELY CONTROLLING SEEDING WEED GRASSES GROWING IN THE PRESENCE OF OTHER VEGETATION COMPRISING APPLYING TO THE LOCUS OF GROWTH OF SAID SEEDLING WEED GRASSES IN AN AMOUNT SUFFICIENT TO RETARD THEIR GROWTH WITHOUT CORRESPONDING EFFECT ON OTHER VEGETATION A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
45 words
METHOD OF SELECTIVELY CONTROLLING SEEDING WEED GRASSES GROWING IN THE PRESENCE OF OTHER VEGETATION COMPRISING APPLYING TO THE LOCUS OF GROWTH OF SAID SEEDLING WEED GRASSES IN AN AMOUNT SUFFICIENT TO RETARD THEIR GROWTH WITHOUT CORRESPONDING EFFECT ON OTHER VEGETATION A COMPOUND OF THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |