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US3267500A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for forming hollow articles

Assignee: National Machinery Co
•
Filing: 1963-09-18
•
Granted: 1966-08-23
•
Expires: 1983-09-18
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Abstract

No abstract record available.

Inventors

  • 👤 Herbert L Mcclellan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 08:26
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/64; B21K1/68; B21J; B21J13/00; B21J13/08; B21J13/14; Y; Y10; Y10T; Y10T83/00; Y10T83/384; Y10T83/386; Y10T83/404; Y10T83/412; Y10T83/444; Y10T83/4564; Y10T83/4567

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 215 words
IN A MACHINE OF THE CHARACTER DESCRIBED, A FRAME, A DIE BREAST ON SAID FRAME, A SLIDE RECIPROCABLE IN SAID FRAME TOWARD AND AWAY FROM SADI BREAST, AN OPEN DIE IN SAID BREAST, FIRST MEANS CONNECTED TO CLAMP SAID OPEN DIE FOR GRIPPING STOCK AND RELEASING SAID OPEN DIE FOR FEEDING STOCK, A STATION IN SAID DIE BREAST SPACED FROM SAID OPEN DIE, SECOND MEANS FEEDING WIRE STOCK TO SAID OPEN DIE WHILE SAID FIRST MEANS RELEASES SUCH DIE, A TOOL ON SAID SLIDE OPERABLE TO ENGAGE THE END OF STOCK IN SAID FIRST DIE AND FORM A BLIND BORE THEREIN WHEN SAID SLIDE MOVES TO ITS FORWARD POSITION ADJACENT SAID DIE WHILE SAID FIRST MEANS OPERATES TO CLAMP SAID OPEN DIE, SHEAR MEANS MOVABLE INTO ALIGNMENT WITH SAID FIRST DIE WHEN SAID SLIDE MOVES BACK FROM SAID DIE, SAID SHEAR MEANS BEING PROPORTIONED TO RECEIVE A PREDETERMINED LENGTH OF STOCK HAVING SAID BLIND BORE THEREIN, SAID SECOND MEANS OPERATING TO FEED SAID LENGTH OF STOCK INTO SAID SHEAR MEANS, SAID SHEAR MEANS THEREAFTER SHEARING OFF SAID LENGTH OF STOCK, SAID SHEAR MEANS CARRYING SAID LENGTH OF STOCK INTO ALIGNMENT WITH SAID STATION AS SAID SLIDE MOVES FORWARD AGAIN, MEANS ON SAID SLIDE ENGAGING SAID SHEAR MEANS EJECTING SAID LENGTH OF STOCK INTO SAID STATION.
Claim 2
Dependent Claim 215 words
IN A MACHINE OF THE CHARACTER DESCRIBED, A FRAME, A DIE BREAST ON SAID FRAME, A SLIDE RECIPROCABLE IN SAID FRAME TOWARD AND AWAY FROM SADI BREAST, AN OPEN DIE IN SAID BREAST, FIRST MEANS CONNECTED TO CLAMP SAID OPEN DIE FOR GRIPPING STOCK AND RELEASING SAID OPEN DIE FOR FEEDING STOCK, A STATION IN SAID DIE BREAST SPACED FROM SAID OPEN DIE, SECOND MEANS FEEDING WIRE STOCK TO SAID OPEN DIE WHILE SAID FIRST MEANS RELEASES SUCH DIE, A TOOL ON SAID SLIDE OPERABLE TO ENGAGE THE END OF STOCK IN SAID FIRST DIE AND FORM A BLIND BORE THEREIN WHEN SAID SLIDE MOVES TO ITS FORWARD POSITION ADJACENT SAID DIE WHILE SAID FIRST MEANS OPERATES TO CLAMP SAID OPEN DIE, SHEAR MEANS MOVABLE INTO ALIGNMENT WITH SAID FIRST DIE WHEN SAID SLIDE MOVES BACK FROM SAID DIE, SAID SHEAR MEANS BEING PROPORTIONED TO RECEIVE A PREDETERMINED LENGTH OF STOCK HAVING SAID BLIND BORE THEREIN, SAID SECOND MEANS OPERATING TO FEED SAID LENGTH OF STOCK INTO SAID SHEAR MEANS, SAID SHEAR MEANS THEREAFTER SHEARING OFF SAID LENGTH OF STOCK, SAID SHEAR MEANS CARRYING SAID LENGTH OF STOCK INTO ALIGNMENT WITH SAID STATION AS SAID SLIDE MOVES FORWARD AGAIN, MEANS ON SAID SLIDE ENGAGING SAID SHEAR MEANS EJECTING SAID LENGTH OF STOCK INTO SAID STATION.

References Cited (Backward Citations)

GB191421440A Cited
US1969503A Cited
US1929164A Cited
US2261318A Cited
US2499341A Cited
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US3117328A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-22 1970-02-21 1970-08-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-22 1974-02-21 1974-08-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-22 1978-02-21 1978-08-23 $7700.00 Window Closed / Lapsed

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