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US2990198A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnetic adaptor for an exhaust pipe

Assignee: CAR MON PRODUCTS Co
•
Filing: 1958-01-27
•
Granted: 1961-06-27
•
Expires: 1978-01-27
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Abstract

No abstract record available.

Inventors

  • 👤 Cornell A Imming

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 23:09
CPC Classifications
B; B08; B08B; B08B15/00; B08B15/002

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE492612C Cited
US2733668A Cited
US2441913A Cited
US2519435A Cited
US2793057A Cited
US2765752A Cited
US2770849A Cited
US2824575A Cited
US2775832A Cited
US2850072A Cited
US2875324A Cited
US2869900A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-06-26 1964-12-26 1965-06-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-06-26 1968-12-26 1969-06-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-06-26 1972-12-26 1973-06-27 $7700.00 Window Closed / Lapsed

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