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US3073355A Expired / Lapsed US ⏱️ 0.0 years remaining

Sheet binder

Assignee: Individual
•
Filing: 1958-07-09
•
Granted: 1963-01-15
•
Expires: 1978-07-09
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Abstract

No abstract record available.

Inventors

  • 👤 George G Grinnell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 02:31
CPC Classifications
B; B21; B21F; B21F1/00; Y; Y10; Y10T; Y10T408/00; Y10T408/03; Y10T408/55; Y10T408/561

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 164 words
APPARATUS FOR FORMING U-SHAPED FASTENERS FROM WIRE, EACH FASTENER HAVING TWO LEG PORTIONS AND A WIRE CROSSPIECE PORTION CONNECTING SAID LEG PORTIONS, SAID APPARATUS COMPRISING A DIE HAVING A LONGITUDINAL PASSAGEWAY, A RECIPROCATING TOOL MOVABLE IN SAID PASSAGEWAY, SAID PASSAGEWAY BEING FORMED INTEGRALLY WITH SPACED PARALLEL GUIDE CHANNELS STRADDLING SAID PASSAGEWAY FOR RECEIVING AND GUIDING SAID FASTENER LEG PORTIONS, SAID RECIPROCATING TOOL HAVING SPACED EDGE PORTIONS OF ARCUATE CONFIGURATION PROJECTING FORWARDLY OF THE OPPOSED LATERAL EDGES OF SAID TOOL FOR ENGAGING SAID WIRE WHEREBY SAID WIRE WILL NOT BE BENT AT A SHARP ANGLE WHEN ENGAGED THEREBY, SAID ARCUATE FORWARD EDGE PORTIONS BEING INTERMEDIATE SAID GUIDE CHANNELS WHEN DISPOSED IN SAID PASSAGEWAY AND ENGAGEABLE WITH A PORTION OF WIRE FROM WHICH SAID FASTENER CROSSPIECE IS FORMED, WHEREBY THE SAME MAY BE FORCED INTO SAID DIE PASSAGEWAY AND SAID WIRE PORTIONS STRADDLING SAID PORTION ENGAGING SAID TOOL FORWARD EDGE PORTIONS MAY BE BENT RELATIVE THERETO AND FORCED INTO SAID PARALLEL GUIDE CHANNELS STRADDLING SAID PASSAGEWAY.
Claim 2
Dependent Claim 164 words
APPARATUS FOR FORMING U-SHAPED FASTENERS FROM WIRE, EACH FASTENER HAVING TWO LEG PORTIONS AND A WIRE CROSSPIECE PORTION CONNECTING SAID LEG PORTIONS, SAID APPARATUS COMPRISING A DIE HAVING A LONGITUDINAL PASSAGEWAY, A RECIPROCATING TOOL MOVABLE IN SAID PASSAGEWAY, SAID PASSAGEWAY BEING FORMED INTEGRALLY WITH SPACED PARALLEL GUIDE CHANNELS STRADDLING SAID PASSAGEWAY FOR RECEIVING AND GUIDING SAID FASTENER LEG PORTIONS, SAID RECIPROCATING TOOL HAVING SPACED EDGE PORTIONS OF ARCUATE CONFIGURATION PROJECTING FORWARDLY OF THE OPPOSED LATERAL EDGES OF SAID TOOL FOR ENGAGING SAID WIRE WHEREBY SAID WIRE WILL NOT BE BENT AT A SHARP ANGLE WHEN ENGAGED THEREBY, SAID ARCUATE FORWARD EDGE PORTIONS BEING INTERMEDIATE SAID GUIDE CHANNELS WHEN DISPOSED IN SAID PASSAGEWAY AND ENGAGEABLE WITH A PORTION OF WIRE FROM WHICH SAID FASTENER CROSSPIECE IS FORMED, WHEREBY THE SAME MAY BE FORCED INTO SAID DIE PASSAGEWAY AND SAID WIRE PORTIONS STRADDLING SAID PORTION ENGAGING SAID TOOL FORWARD EDGE PORTIONS MAY BE BENT RELATIVE THERETO AND FORCED INTO SAID PARALLEL GUIDE CHANNELS STRADDLING SAID PASSAGEWAY.

References Cited (Backward Citations)

US240174A Cited
US1026216A Cited
AT39942B Cited
US1301559A Cited
US1570198A Cited
US1862717A Cited
US2222220A Cited
US2486450A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-14 1966-07-16 1967-01-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-14 1970-07-16 1971-01-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-14 1974-07-16 1975-01-15 $7700.00 Window Closed / Lapsed

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