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US3048916A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making passageway panel from folded metal sheet

Assignee: Reynolds Metals Co
•
Filing: 1957-07-22
•
Granted: 1962-08-14
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Expires: 1977-07-22
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Abstract

No abstract record available.

Inventors

  • 👤 Clarence J Gahlinger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:28
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; B21D53/045; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366; Y10T29/49369; Y10T29/496; Y10T428/00; Y10T428/12; Y10T428/12292

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US458115A Cited
US2095071A Cited
DE729216C Cited
US2754572A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-08-13 1966-02-12 1966-08-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-08-13 1970-02-12 1970-08-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-08-13 1974-02-12 1974-08-14 $7700.00 Window Closed / Lapsed

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