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US3069763A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for making plastic lined continuously welded aluminum tubing

Assignee: Reynolds Metals Co
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Filing: 1959-04-20
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Granted: 1962-12-25
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Expires: 1979-04-20
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Abstract

No abstract record available.

Inventors

  • 👤 William G Reynolds

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 17:40
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/14; F16L9/147; B; B21; B21C; B21C37/00; B21C37/06; B21C37/08; B21C37/09; B23; B23K; B23K9/00; B23K9/02; B23K9/025; B23K9/0253; B29; B29C; B29C63/00; B29C63/26; B29C63/34; B29C63/343; B29C69/00; B29C69/007; B29C69/008; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49828; Y10T29/49906

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US830695A Cited
FR410748A Cited
US2029044A Cited
US2440725A Cited
US2608501A Cited
GB714105A Cited
US2803730A Cited
FR1177174A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-12-24 1966-06-25 1966-12-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-12-24 1970-06-25 1970-12-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-12-24 1974-06-25 1974-12-25 $7700.00 Window Closed / Lapsed

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