US3153457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skeleton type moldboard plow
Assignee: C Van der Lely NV
•
Filing: 1961-03-30
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Granted: 1964-10-20
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Expires: 1981-03-30
Abstract
No abstract record available.
Inventors
- 👤 Lely Cornelis Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:47
CPC Classifications
A; A01; A01B; A01B15/00; A01B15/02; A01B15/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A PLOW COMPRISING A PLOW SHARE , A SERIES OF BARS, EACH OF SAID BARS HAVING A SUBSTANTIALLY STRAIGHT FIRST PORTION WITH ONE END ADJACENT TO THE PLOW SHARE, A CURVED SECOND PORTION, A SUBSTANTIALLY STRAIGHT THIRD PORTION, AND A TERMINAL PORTION WITH RESILIENT CONNECTING MEANS CONNECTING SAID THIRD PORTION WITH SAID TERMINAL PORTION, SAID TERMINAL PORTION BEING SPACED APART FROM AND OVERLAPPING SAID THIRD PORTION AT SAID CONNECTING MEANS TO FORM GAPS BETWEEN CORRESPONDING PORTIONS OF SAID BARS, A PLOW BEAM EXTENDING FROM SAID PLOW SHARE, AND A SUPPORTING MEMBER INTERMEDIATE SAID TERMINAL PORTION AND SAID FIRST PORTION CONNECTED TO SAID PLOW BEAM, SAID SUPPORTING MEMBER SUPPORTABLY AND SLIDABLY RETAINING SAID SERIES OF BARS WHEREBY THE SURFACE PRESENTED BY BARS CONFORMS SUBSTANTIALLY TO A MOLDBOARD SHAPE.
Claim 2
Dependent Claim
127 words
A PLOW COMPRISING A PLOW SHARE , A SERIES OF BARS, EACH OF SAID BARS HAVING A SUBSTANTIALLY STRAIGHT FIRST PORTION WITH ONE END ADJACENT TO THE PLOW SHARE, A CURVED SECOND PORTION, A SUBSTANTIALLY STRAIGHT THIRD PORTION, AND A TERMINAL PORTION WITH RESILIENT CONNECTING MEANS CONNECTING SAID THIRD PORTION WITH SAID TERMINAL PORTION, SAID TERMINAL PORTION BEING SPACED APART FROM AND OVERLAPPING SAID THIRD PORTION AT SAID CONNECTING MEANS TO FORM GAPS BETWEEN CORRESPONDING PORTIONS OF SAID BARS, A PLOW BEAM EXTENDING FROM SAID PLOW SHARE, AND A SUPPORTING MEMBER INTERMEDIATE SAID TERMINAL PORTION AND SAID FIRST PORTION CONNECTED TO SAID PLOW BEAM, SAID SUPPORTING MEMBER SUPPORTABLY AND SLIDABLY RETAINING SAID SERIES OF BARS WHEREBY THE SURFACE PRESENTED BY BARS CONFORMS SUBSTANTIALLY TO A MOLDBOARD SHAPE.
References Cited (Backward Citations)
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US473517A
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US510125A
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US595977A
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US638456A
Cited
US797385A
Cited
US962646A
Cited
US1604264A
Cited
US2841068A
Cited
US2913060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |