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Assignee: Switzer Brothers Inc
•
Filing: 1952-10-02
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Granted: 1956-09-18
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Expires: 1972-10-02
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph L Switzer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 09:57
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/22; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1244058A Cited
US2108503A Cited
US2347285A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-09-18 1960-03-19 1960-09-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-09-18 1964-03-19 1964-09-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-09-18 1968-03-19 1968-09-18 $7700.00 Window Closed / Lapsed

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