Patent US3280864A successfully refreshed from Google Patents.
US3280864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Log-splitter
Assignee: Individual
•
Filing: 1964-07-13
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Granted: 1966-10-25
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Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Otto C Spanenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:22
CPC Classifications
B; B27; B27L; B27L7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A LOG SPLITTER, COMPRISING: A BEAM; A CARRIER SLIDABLY MOUNTED ON SAID BEAM; AN ABUTMENT BRACKET FIXED WITH RESPECT TO SAID BEAM; A HYDRAULIC ACTUATOR CONNECTED TO SAID BRACKET AND SAID CARRIER TO INDUCE MOVEMENT OF SAID CARRIER WITH RESPECT TO SAID BEAM; FIRST AND SECOND WEDGE MEMBERS MOUNTED ON SAID BEAM AND CARRIER, RESPECTIVELY, WITH THE APICES THEREOF DISPOSED IN PARALLEL RELATIONSHIP, ONE OF SAID APICES HAVING A SUBSTANTIALLY GREATER RADIUS OF CURVATURE THAN THE OTHER, WHEREBY SPLITTING OF LOGS IS LOCALIZED AT THE APEX HAVING THE SMALLER RADIUS OF CURVATURE; AND WHEEL MEANS INCLUDING AN AXLE SECURED TO THE CENTRAL PORTION OF SAID BEAM TRANSVERSELY WITH RESPECT THERETO
Claim 2
Dependent Claim
110 words
A LOG SPLITTER, COMPRISING: A BEAM; A CARRIER SLIDABLY MOUNTED ON SAID BEAM; AN ABUTMENT BRACKET FIXED WITH RESPECT TO SAID BEAM; A HYDRAULIC ACTUATOR CONNECTED TO SAID BRACKET AND SAID CARRIER TO INDUCE MOVEMENT OF SAID CARRIER WITH RESPECT TO SAID BEAM; FIRST AND SECOND WEDGE MEMBERS MOUNTED ON SAID BEAM AND CARRIER, RESPECTIVELY, WITH THE APICES THEREOF DISPOSED IN PARALLEL RELATIONSHIP, ONE OF SAID APICES HAVING A SUBSTANTIALLY GREATER RADIUS OF CURVATURE THAN THE OTHER, WHEREBY SPLITTING OF LOGS IS LOCALIZED AT THE APEX HAVING THE SMALLER RADIUS OF CURVATURE; AND WHEEL MEANS INCLUDING AN AXLE SECURED TO THE CENTRAL PORTION OF SAID BEAM TRANSVERSELY WITH RESPECT THERETO
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |