Patent US3143799A successfully refreshed from Google Patents.
US3143799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand shears
Assignee: Individual
•
Filing: 1962-07-23
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Granted: 1964-08-11
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Expires: 1982-07-23
Abstract
No abstract record available.
Inventors
- 👤 Russell D Gover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:10
CPC Classifications
B; B23; B23D; B23D29/00; B23D29/02; B23D29/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
225 words
SHEARS COMPRISING A LOWER SHEAR BLADE HAVING INNER AND OUTER SIDE SURFACES AND A SHEAR CUTTING EDGE FORMED ON THE UPPER FORWARD PORTION OF THE BLADE AT THE JUNCTURE WITH THE INNER SIDE SURFACE THEREOF, A BLADE CARRYING MEMBER FIXED TO THE INNER SIDE OF THE BLADE REARWARDLY OF SAID CUTTING EDGE AND EXTENDING UPWARDLY FROM SAID BLADE, AN UPPER SHEAR BLADE HAVING INNER AND OUTER SIDE SURFACES AND A SHEAR CUTTING EDGE FORMED ON THE LOWER FORWARD PORTION OF THE BLADE AT THE JUNCTURE WITH THE INNER SIDE SURFACE THEREOF, A BLADE CARRYING MEMBER FIXED TO THE UPPER BLADE REARWARDLY OF ITS CUTTING EDGE AND EXTENDING UPWARDLY THEREFROM, A PIVOT PIVOTALLY CONNECTING THE BLADE CARRYING MEMBERS TOGETHER AT A POSITION REARWARDLY OF AND ABOVE THE CUTTING EDGES OF BOTH BLADES WITH THE INNER SURFACES OF SAID BLADES FACING EACH OTHER AND WITH THEIR CUTTING EDGES DISPOSED IN COOPERATING SHEARING RELATION, THE BLADE CARRYING MEMBER OF THE LOWER BLADE HAVING AN OFFSET PORTION PROJECTING LATERALLY FROM THE INNER SURFACE OF THE BLADE DEFINING A CHANNEL-LIKE RECESS IN THE OUTER SIDE THEREOF EXTENDING REARWARDLY FROM THE CUTTING EDGE WITH THE FORWARD PORTION OF THE RECESS SPACED LATERALLY INWARDLY FROM THE CUTTING EDGE OF THE LOWER BLADE AND WITH THE DEPTH OF THE RECESS INCREASING REARWARDLY OF THE BLADE, AND ACTUATING MEANS ON THE BLADE CARRYING MEMBERS.
Claim 2
Dependent Claim
225 words
SHEARS COMPRISING A LOWER SHEAR BLADE HAVING INNER AND OUTER SIDE SURFACES AND A SHEAR CUTTING EDGE FORMED ON THE UPPER FORWARD PORTION OF THE BLADE AT THE JUNCTURE WITH THE INNER SIDE SURFACE THEREOF, A BLADE CARRYING MEMBER FIXED TO THE INNER SIDE OF THE BLADE REARWARDLY OF SAID CUTTING EDGE AND EXTENDING UPWARDLY FROM SAID BLADE, AN UPPER SHEAR BLADE HAVING INNER AND OUTER SIDE SURFACES AND A SHEAR CUTTING EDGE FORMED ON THE LOWER FORWARD PORTION OF THE BLADE AT THE JUNCTURE WITH THE INNER SIDE SURFACE THEREOF, A BLADE CARRYING MEMBER FIXED TO THE UPPER BLADE REARWARDLY OF ITS CUTTING EDGE AND EXTENDING UPWARDLY THEREFROM, A PIVOT PIVOTALLY CONNECTING THE BLADE CARRYING MEMBERS TOGETHER AT A POSITION REARWARDLY OF AND ABOVE THE CUTTING EDGES OF BOTH BLADES WITH THE INNER SURFACES OF SAID BLADES FACING EACH OTHER AND WITH THEIR CUTTING EDGES DISPOSED IN COOPERATING SHEARING RELATION, THE BLADE CARRYING MEMBER OF THE LOWER BLADE HAVING AN OFFSET PORTION PROJECTING LATERALLY FROM THE INNER SURFACE OF THE BLADE DEFINING A CHANNEL-LIKE RECESS IN THE OUTER SIDE THEREOF EXTENDING REARWARDLY FROM THE CUTTING EDGE WITH THE FORWARD PORTION OF THE RECESS SPACED LATERALLY INWARDLY FROM THE CUTTING EDGE OF THE LOWER BLADE AND WITH THE DEPTH OF THE RECESS INCREASING REARWARDLY OF THE BLADE, AND ACTUATING MEANS ON THE BLADE CARRYING MEMBERS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |