Patent US311260A successfully refreshed from Google Patents.
Patent US3305100A successfully refreshed from Google Patents.
US3305100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article holder
Assignee: Individual
•
Filing: 1965-01-15
•
Granted: 1967-02-21
•
Expires: 1985-01-15
Abstract
No abstract record available.
Inventors
- 👤 Floyd R Barbee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:41
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/50; A47L13/51; A47L13/512; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44017; Y10T24/44641
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
276 words
RESILIENT CLAMPING ELEMENTS FOR RECEIVING AND HOLDING ARTICLES WITH HANDLES SUCH AS TOOLS AND THE LIKE, SAID ELEMENTS COMPRISING: AT LEAST A MOUNTING FOOT IN COMBINATION WITH AT LEAST A FIRST PARABOLIC FLAT SPRING MEMBER HAVING ENDS, ONE END THEREOF BEING ATTACHED TO SAID MOUNTING FOOT, THE PARABOLA OF SAID FIRST FLAT SPRING MEMBER BEING BOWED OUTWARDLY TOWARDS THE OPPOSITE END OF SAID MOUNTING FOOT; AND AT LEAST A SECOND PARABOLIC FLAT SPRING MEMBER HAVING ENDS, ONE END OF SAID SECOND FLAT SPRING MEMBER BEING JOINED WITH THE OTHER END OF SAID FIRST FLAT SPRING MEMBER, THE REMAINING END OF SAID SECOND FLAT SPRING MEMBER BEING FREE, THE PARABOLA OF SAID SECOND FLAT SPRING MEMBER BEING BOWED IN A DIRECTION OPPOSITELY OF THE DIRECTION OF THE PARABOLIC BOWING OF SAID FIRST FLAT SPRING MEMBER, SAID RESILIENT CLAMPING ELEMENTS BEING NORMALLY USED IN PAIRS IN MIRROR IMAGE RELATIONSHIP WHEREIN SAID FREE ENDS OF THE SECOND PARABOLIC FLAT SPRING MEMBERS IN EACH OF SAID PAIR ARE IN CONTACT WITH ONE ANOTHER AND SAID MOUNTING FEET ARE DIRECTED OPPOSITELY OF ONE ANOTHER ON A COMMON PLANE, WHEREBY WHEN A TOOL HANDLE IS ENTERED BETWEEN SAID PARABOLIC SPRING MEMBERS IN CONTACT WITH ONE ANOTHER THEY ARE SEPARATED AND AS THE TOOL HANDLE IS PUSHED FURTHER TOWARDS SAID MOUNTING FOOT ENDS OF SAID CLAMPING ELEMENTS AGAINST THE RESILIENT URGE OF SAID PARABOLIC SPRING MEMBERS THE FREE ENDS OF SAID SECOND FLAT SPRING MEMBERS SEPARATE FURTHER WHILE THE JOINED ENDS OF SAID SECOND FLAT SPRING MEMBERS RETURN TO CONTACT WITH ONE ANOTHER TO FORM ABOUT SAID TOOL HANDLE A TIGHTLY GRIPPING TRIANGLE TO HOLD SAID HANDLE SECURELY IN SAID RESILIENT CLAMPING ELEMENTS.
Claim 2
Dependent Claim
276 words
RESILIENT CLAMPING ELEMENTS FOR RECEIVING AND HOLDING ARTICLES WITH HANDLES SUCH AS TOOLS AND THE LIKE, SAID ELEMENTS COMPRISING: AT LEAST A MOUNTING FOOT IN COMBINATION WITH AT LEAST A FIRST PARABOLIC FLAT SPRING MEMBER HAVING ENDS, ONE END THEREOF BEING ATTACHED TO SAID MOUNTING FOOT, THE PARABOLA OF SAID FIRST FLAT SPRING MEMBER BEING BOWED OUTWARDLY TOWARDS THE OPPOSITE END OF SAID MOUNTING FOOT; AND AT LEAST A SECOND PARABOLIC FLAT SPRING MEMBER HAVING ENDS, ONE END OF SAID SECOND FLAT SPRING MEMBER BEING JOINED WITH THE OTHER END OF SAID FIRST FLAT SPRING MEMBER, THE REMAINING END OF SAID SECOND FLAT SPRING MEMBER BEING FREE, THE PARABOLA OF SAID SECOND FLAT SPRING MEMBER BEING BOWED IN A DIRECTION OPPOSITELY OF THE DIRECTION OF THE PARABOLIC BOWING OF SAID FIRST FLAT SPRING MEMBER, SAID RESILIENT CLAMPING ELEMENTS BEING NORMALLY USED IN PAIRS IN MIRROR IMAGE RELATIONSHIP WHEREIN SAID FREE ENDS OF THE SECOND PARABOLIC FLAT SPRING MEMBERS IN EACH OF SAID PAIR ARE IN CONTACT WITH ONE ANOTHER AND SAID MOUNTING FEET ARE DIRECTED OPPOSITELY OF ONE ANOTHER ON A COMMON PLANE, WHEREBY WHEN A TOOL HANDLE IS ENTERED BETWEEN SAID PARABOLIC SPRING MEMBERS IN CONTACT WITH ONE ANOTHER THEY ARE SEPARATED AND AS THE TOOL HANDLE IS PUSHED FURTHER TOWARDS SAID MOUNTING FOOT ENDS OF SAID CLAMPING ELEMENTS AGAINST THE RESILIENT URGE OF SAID PARABOLIC SPRING MEMBERS THE FREE ENDS OF SAID SECOND FLAT SPRING MEMBERS SEPARATE FURTHER WHILE THE JOINED ENDS OF SAID SECOND FLAT SPRING MEMBERS RETURN TO CONTACT WITH ONE ANOTHER TO FORM ABOUT SAID TOOL HANDLE A TIGHTLY GRIPPING TRIANGLE TO HOLD SAID HANDLE SECURELY IN SAID RESILIENT CLAMPING ELEMENTS.
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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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |