US3126969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moldboard plows
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:51
CPC Classifications
A; A01; A01B; A01B15/00; A01B15/02; A01B15/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A MOLDBOARD PLOW HAVING A MOLDBOARD SURFACE FORMED OF A MOLDBOARD, A SHIN AND A SHARE, THE SHIN AND SHARE BEING MOUNTED GENERALLY FLUSH WITH THE MOLDBOARD, A THIN METAL SHEET CONFORMING IN GENERAL TO THE OUTLINE OF AND OVERLYING THE MOLDBOARD, THE METAL SHEET HAVING A THIN, TIGHTLY ADHERENT COATING OF POLYTETRAFLUOROETHYLENE ON ITS EXPOSED FACE, AND METAL STREIPS LYING BETWEEN THE CONFRONTING EDGES OF THE MOLDBOARD, SHIN AND SHARE AND HAVING NARROW FLANGES OVERLYING THE ADJACENT EDGES OF THE POLYTETRAFLUOROETHYLENE-COATED SHEET.
Claim 2
Dependent Claim
83 words
A MOLDBOARD PLOW HAVING A MOLDBOARD SURFACE FORMED OF A MOLDBOARD, A SHIN AND A SHARE, THE SHIN AND SHARE BEING MOUNTED GENERALLY FLUSH WITH THE MOLDBOARD, A THIN METAL SHEET CONFORMING IN GENERAL TO THE OUTLINE OF AND OVERLYING THE MOLDBOARD, THE METAL SHEET HAVING A THIN, TIGHTLY ADHERENT COATING OF POLYTETRAFLUOROETHYLENE ON ITS EXPOSED FACE, AND METAL STREIPS LYING BETWEEN THE CONFRONTING EDGES OF THE MOLDBOARD, SHIN AND SHARE AND HAVING NARROW FLANGES OVERLYING THE ADJACENT EDGES OF THE POLYTETRAFLUOROETHYLENE-COATED SHEET.
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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |