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US2789322A Expired / Lapsed US ⏱️ 0.0 years remaining

Refrigerator floor insulation

Assignee: Johns Manville Corp
•
Filing: 1949-01-28
•
Granted: 1957-04-23
•
Expires: 1969-01-28
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Abstract

No abstract record available.

Inventors

  • 👤 Harold T Coss

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 02:10
CPC Classifications
B; B61; B61D; B61D27/00; B61D27/0018; B61D27/0027; Y; Y02; Y02T; Y02T30/00; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/1234; Y10T428/24; Y10T428/24628; Y10T428/24661; Y10T428/24669; Y10T428/24694; Y10T428/24711; Y10T428/24727

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2142797A Cited
US2264961A Cited
US2406815A Cited
US2287400A Cited
US2330941A Cited
US2326717A Cited
US2338452A Cited
US2427937A Cited
US2548576A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-04-22 1960-10-22 1961-04-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-04-22 1964-10-22 1965-04-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-04-22 1968-10-22 1969-04-23 $7700.00 Window Closed / Lapsed

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