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US1354593A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of welding heavy-gage tubing

Assignee: Standard Parts Co
•
Filing: 1919-01-17
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Granted: 1920-10-05
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Expires: 1939-01-17
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Abstract

No abstract record available.

Inventors

  • 👤 Harry H Belmont

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 10:21
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/08; B23K11/087; B23K11/0873

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1923-10-05 1924-04-05 1924-10-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1927-10-05 1928-04-05 1928-10-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1931-10-05 1932-04-05 1932-10-05 $7700.00 Window Closed / Lapsed

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