Patent US2665994A successfully refreshed from Google Patents.
US2665994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable cultivator shield
Assignee: Individual
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Filing: 1949-05-05
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Granted: 1954-01-12
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Expires: 1969-05-05
Abstract
No abstract record available.
Inventors
- 👤 Earnest R Gumm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:39
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/20; A01B39/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN AN AGRICULTURAL IMPLEMENT INCLUDING A CULTIVATOR SHOVEL HAVING A SHANK PORTION; A DEVICE FOR SCREENING THE DIRT DEFLECTED BY THE SHOVEL, SAID DEVICE COMPRISING A GRID MEMBER HAVING A RUNNER FOR RIDING UPON THE GROUND, A PARALLELOGRAM LINKAGE INCLUDING UPPER AND LOWER HORIZONTAL LINKS, THE LOWER LINK OF SAID LINKAGE BEING TERMINALLY FIXED TO SAID GRID MEMBER AND OFFSET LATERALLY FROM THE UPPER LINK, MEANS PIVOTALLY ATTACHING SAID UPPER HORIZONTAL LINK, A CLAMPING SET FROM SAID LOWER HORIZONTAL LINK, A CLAMPING MEMBER SECURED TO SAID SHANK PORTION, A LATERALLY PROJECTING ARM FIXED TO SAID CLAMPING MEMBER, AND MEANS SLIDABLY AND ADJUSTABLY SECURING SAID ARM TO THE UPPER LINK OF SAID LINKAGE.
Claim 2
Dependent Claim
112 words
IN AN AGRICULTURAL IMPLEMENT INCLUDING A CULTIVATOR SHOVEL HAVING A SHANK PORTION; A DEVICE FOR SCREENING THE DIRT DEFLECTED BY THE SHOVEL, SAID DEVICE COMPRISING A GRID MEMBER HAVING A RUNNER FOR RIDING UPON THE GROUND, A PARALLELOGRAM LINKAGE INCLUDING UPPER AND LOWER HORIZONTAL LINKS, THE LOWER LINK OF SAID LINKAGE BEING TERMINALLY FIXED TO SAID GRID MEMBER AND OFFSET LATERALLY FROM THE UPPER LINK, MEANS PIVOTALLY ATTACHING SAID UPPER HORIZONTAL LINK, A CLAMPING SET FROM SAID LOWER HORIZONTAL LINK, A CLAMPING MEMBER SECURED TO SAID SHANK PORTION, A LATERALLY PROJECTING ARM FIXED TO SAID CLAMPING MEMBER, AND MEANS SLIDABLY AND ADJUSTABLY SECURING SAID ARM TO THE UPPER LINK OF SAID LINKAGE.
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) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |