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US3137066A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making a lined pipe nipple

Assignee: Individual
•
Filing: 1959-07-09
•
Granted: 1964-06-16
•
Expires: 1979-07-09
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Abstract

No abstract record available.

Inventors

  • 👤 Merino Alfonso
  • 👤 William Y Hahn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 14:50
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/0008; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/4994

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 116 words
A METHOD OF MANUFACTURING A LINED PIPE INCLUDING THE STEPS OF FORMING AN OUTWARDLY OPENING BEVEL ON THE INNER PORTION OF THE TWO OPPOSITE ENDS OF AN OUTER SHELL; INSERTING A METALLIC TUBE LINING IN SAID SHELL SUBSTANTIALLY THE FULL LENGTH THEREOF, WITH THE TUBE LINING DIMENSIONED TO FIT SNUGLY IN THE PIPE; FORMING EACH OF THE ENDS OF SAID TUBE LINING OUTWARDLY SO THAT EACH END OF SAID TUBE LINING WILL HAVE A BEVELED CONFIGURATION AT A BEVEL ANGLE SMALLER THAN THE BEVEL ANGLE OF THE BEVELS AT THE ENDS OF THE SHELL SO AS TO BE SPACED INWARDLY THEREFROM, APPLYING LIQUID SOLDER TO BOTH ENDS OF SAID PIPE AND LINING SO AS TO SUB-
Claim 2
Independent Claim 116 words
A METHOD OF MANUFACTURING A LINED PIPE INCLUDING THE STEPS OF FORMING AN OUTWARDLY OPENING BEVEL ON THE INNER PORTION OF THE TWO OPPOSITE ENDS OF AN OUTER SHELL; INSERTING A METALLIC TUBE LINING IN SAID SHELL SUBSTANTIALLY THE FULL LENGTH THEREOF, WITH THE TUBE LINING DIMENSIONED TO FIT SNUGLY IN THE PIPE; FORMING EACH OF THE ENDS OF SAID TUBE LINING OUTWARDLY SO THAT EACH END OF SAID TUBE LINING WILL HAVE A BEVELED CONFIGURATION AT A BEVEL ANGLE SMALLER THAN THE BEVEL ANGLE OF THE BEVELS AT THE ENDS OF THE SHELL SO AS TO BE SPACED INWARDLY THEREFROM, APPLYING LIQUID SOLDER TO BOTH ENDS OF SAID PIPE AND LINING SO AS TO SUB-

References Cited (Backward Citations)

BE552154A Cited
US443698A Cited
US463755A Cited
US584008A Cited
US1193667A Cited
US627992A Cited
US2503429A Cited
US2984901A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-06-16 1967-12-16 1968-06-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-06-16 1971-12-16 1972-06-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-06-16 1975-12-16 1976-06-16 $7700.00 Window Closed / Lapsed

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