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US1685269A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for making tubing

Assignee: Individual
•
Filing: 1926-10-16
•
Granted: 1928-09-25
•
Expires: 1946-10-16
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Abstract

No abstract record available.

Inventors

  • 👤 Harry W Bundy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 02:51
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/08; B21C37/09; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5136; Y10T29/5137; Y10T29/5138; Y10T29/53; Y10T29/53126

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1931-09-25 1932-03-26 1932-09-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1935-09-25 1936-03-26 1936-09-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1939-09-25 1940-03-26 1940-09-25 $7700.00 Window Closed / Lapsed

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