US3125818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
kraft etal
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:00
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/04; E01H5/06; E01H5/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
IN A SNOW PLOWING DEVICE HAVING A WING BLADE, A REAR END SUPPORT FOR THE BLADE COMPRISING A FRAME PROVIDING AT ONE SIDE AN UPRIGHT GUIDEWAY, A BLADE ELEVATING MEMBER RECIPROCABLE UPWARDLY AND DOWNWARDLY ON THE GUIDEWAY, AN UPPER SHEAVE ROTATABLY MOUNTED ON THE UPPER PART OF THE FRAME, A LOWER SHEAVE ROTATABLY MOUNTED ON THE LOWER PART OF THE FRAME, A FLUID OPERATED RAM MOUNTED ON THE OPPOSITE SIDE OF THE FRAME FROM THE GUIDEWAY AND HAVING A PART RECIPROCABLE DOWNWARDLY AND UPWARDLY, A FIRST AND A SECOND SHEAVE ROTATABLY MOUNTED ON THE RECIPROCABLE PART OF THE RAM, A FIRST CABLE LENGTH FIXED TO THE ELEVATING MEMBER AND PASSING THEREFROM UPWARDLY AROUND THE UPPER SHEAVE AND THENCE DOWNWARDLY AROUND THE FIRST SHEAVE AND THENCE TO A POINT OF SECUREMENT, AND A SECOND CABLE LENGTH FIXED TO THE ELEVATING MEMBER AND PASSING THEREFROM DOWNWARDLY AROUND THE LOWER SHEAVE AND THENCE UPWARDLY AROUND THE SECOND SHEAVE AND THENCE TO A POINT OF SECUREMENT, DOWNWARD AND UPWARD MOVEMENT OF THE RECIPROCABLE PART OF THE RAM THUS CAUSING THE FIRST AND SECOND CABLE LENGTHS RESPECTIVELY TO RAISE AND LOWER THE ELEVATING MEMBER BY EQUAL AMOUNTS GREATER THAN THE DISTANCE OF MOVEMENT OF SAID RECIPROCABLE PART.
Claim 2
Dependent Claim
202 words
IN A SNOW PLOWING DEVICE HAVING A WING BLADE, A REAR END SUPPORT FOR THE BLADE COMPRISING A FRAME PROVIDING AT ONE SIDE AN UPRIGHT GUIDEWAY, A BLADE ELEVATING MEMBER RECIPROCABLE UPWARDLY AND DOWNWARDLY ON THE GUIDEWAY, AN UPPER SHEAVE ROTATABLY MOUNTED ON THE UPPER PART OF THE FRAME, A LOWER SHEAVE ROTATABLY MOUNTED ON THE LOWER PART OF THE FRAME, A FLUID OPERATED RAM MOUNTED ON THE OPPOSITE SIDE OF THE FRAME FROM THE GUIDEWAY AND HAVING A PART RECIPROCABLE DOWNWARDLY AND UPWARDLY, A FIRST AND A SECOND SHEAVE ROTATABLY MOUNTED ON THE RECIPROCABLE PART OF THE RAM, A FIRST CABLE LENGTH FIXED TO THE ELEVATING MEMBER AND PASSING THEREFROM UPWARDLY AROUND THE UPPER SHEAVE AND THENCE DOWNWARDLY AROUND THE FIRST SHEAVE AND THENCE TO A POINT OF SECUREMENT, AND A SECOND CABLE LENGTH FIXED TO THE ELEVATING MEMBER AND PASSING THEREFROM DOWNWARDLY AROUND THE LOWER SHEAVE AND THENCE UPWARDLY AROUND THE SECOND SHEAVE AND THENCE TO A POINT OF SECUREMENT, DOWNWARD AND UPWARD MOVEMENT OF THE RECIPROCABLE PART OF THE RAM THUS CAUSING THE FIRST AND SECOND CABLE LENGTHS RESPECTIVELY TO RAISE AND LOWER THE ELEVATING MEMBER BY EQUAL AMOUNTS GREATER THAN THE DISTANCE OF MOVEMENT OF SAID RECIPROCABLE PART.
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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |