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US2999306A Expired / Lapsed US ⏱️ 0.0 years remaining

Hot pressure welded honeycomb passageway panels and like structures

Assignee: Reynolds Metals Co
•
Filing: 1956-11-19
•
Granted: 1961-09-12
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Expires: 1976-11-19
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Abstract

No abstract record available.

Inventors

  • 👤 Bruce L Baxter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 08:32
CPC Classifications
F; F28; F28F; F28F3/00; F28F3/12; F28F3/14; B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; B21D53/045; Y; Y10; Y10S; Y10S165/00; Y10S165/907; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366; Y10T29/49369; Y10T29/49371; Y10T29/49826; Y10T29/49879; Y10T428/00; Y10T428/24; Y10T428/24149

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1751725A Cited
US1723659A Cited
US2212481A Cited
US2608502A Cited
US2690002A Cited
US2662273A Cited
US2740188A Cited
US2790207A Cited
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US2766514A Cited
US2898815A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-09-11 1965-03-13 1965-09-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-09-11 1969-03-13 1969-09-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-09-11 1973-03-13 1973-09-12 $7700.00 Window Closed / Lapsed

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