Patent US3496500A successfully refreshed from Google Patents.
Patent US3086414A successfully refreshed from Google Patents.
US3086414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination wrench
Assignee: Individual
•
Filing: 1961-03-01
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Granted: 1963-04-23
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Expires: 1981-03-01
Abstract
No abstract record available.
Inventors
- 👤 Nardi Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:41
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/16; B; B25; B25B; B25B13/00; B25B13/02; B25B13/06; B25B13/48; B25B13/50; B25B13/5091; F16B23/00; F16B23/0061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
213 words
A COMBINATION WRENCH FOR ACCOMMODATING INTERCHANGEABLY SQUARE NUTS, HEXAGONAL NUTS, WING NUTS AND PRONG NUTS HAVING A COMMON INTERNAL THREAD DIAMETER, SAID WRENCH COMPRISING A STEM HAVING A CENTRAL BORE OF SLIGHTLY LARGER DIAMETER AND OF GREATER LENGTH THAN THE DIAMETER OF THE SCREW FITTING SAID COMMON INTERNAL NUT THREAD DIAMETER, SAID STEM HAVING FOUR EQUALLY SPACED RADIAL SLOTS EXTENDING LONGITUDINALLY FROM THE OPEN END OF THE BORE FORMING PERIPHERAL SEGMENTS OF SAID STEM HAVING PARALLEL SEPARATING FACES, SAID SEGMENTS HAVING FLAT INNER SURFACES AND A LEDGE AT THE LOWER END OF SAID SURFACES TO FORM A SQUARE NUT SOCKET INTO WHICH A SQUARE NUT IS FITTED SO THAT SAID INNER SURFACES ENGAGE THE FOUR SIDES OF SAID SQUARE NUT, THE CENTRAL PORTION OF EACH SAID FLAT INNER SURFACE HAVING A LONGITUDINAL GROOVE OPENING AT 120* TO RECEIVE CORNERS OF HEXAGONAL NUTS FITTED INTO SAID WRENCH SO THAT TWO OPPOSED SAID INNER SURFACES WILL ENGAGE TWO OPPOSED SIDES OF A HEXAGONAL NUT AND THE LONGITUDINAL GROOVES OF THE REMAINING OPPOSED INNER SURFACES WILL RECEIVE THE TWO CROSS-DIAGONALLY LOCATED CORNERS OF SAID HEXAGONAL NUT, AND SAID SLOTS EXTENDING LONGITUDINALLY OF THE STEM SUBSTANTIALLY BEYOND SAID LEDGE TO RECEIVE BETWEEN SAID PARALLEL FACES THE WINGS OF WING NUTS AND THE PRONGS OF FOUR PRONG NUTS.
Claim 2
Dependent Claim
213 words
A COMBINATION WRENCH FOR ACCOMMODATING INTERCHANGEABLY SQUARE NUTS, HEXAGONAL NUTS, WING NUTS AND PRONG NUTS HAVING A COMMON INTERNAL THREAD DIAMETER, SAID WRENCH COMPRISING A STEM HAVING A CENTRAL BORE OF SLIGHTLY LARGER DIAMETER AND OF GREATER LENGTH THAN THE DIAMETER OF THE SCREW FITTING SAID COMMON INTERNAL NUT THREAD DIAMETER, SAID STEM HAVING FOUR EQUALLY SPACED RADIAL SLOTS EXTENDING LONGITUDINALLY FROM THE OPEN END OF THE BORE FORMING PERIPHERAL SEGMENTS OF SAID STEM HAVING PARALLEL SEPARATING FACES, SAID SEGMENTS HAVING FLAT INNER SURFACES AND A LEDGE AT THE LOWER END OF SAID SURFACES TO FORM A SQUARE NUT SOCKET INTO WHICH A SQUARE NUT IS FITTED SO THAT SAID INNER SURFACES ENGAGE THE FOUR SIDES OF SAID SQUARE NUT, THE CENTRAL PORTION OF EACH SAID FLAT INNER SURFACE HAVING A LONGITUDINAL GROOVE OPENING AT 120* TO RECEIVE CORNERS OF HEXAGONAL NUTS FITTED INTO SAID WRENCH SO THAT TWO OPPOSED SAID INNER SURFACES WILL ENGAGE TWO OPPOSED SIDES OF A HEXAGONAL NUT AND THE LONGITUDINAL GROOVES OF THE REMAINING OPPOSED INNER SURFACES WILL RECEIVE THE TWO CROSS-DIAGONALLY LOCATED CORNERS OF SAID HEXAGONAL NUT, AND SAID SLOTS EXTENDING LONGITUDINALLY OF THE STEM SUBSTANTIALLY BEYOND SAID LEDGE TO RECEIVE BETWEEN SAID PARALLEL FACES THE WINGS OF WING NUTS AND THE PRONGS OF FOUR PRONG NUTS.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |