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US3049358A Expired / Lapsed US ⏱️ 0.0 years remaining

Tooling and method of installing expansion shells

Assignee: Gregory Industries Inc
•
Filing: 1960-01-18
•
Granted: 1962-08-14
•
Expires: 1980-01-18
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Abstract

No abstract record available.

Inventors

  • 👤 Polos Constantine Daniel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:55
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/005; F; F16; F16B; F16B13/00; F16B13/002; F16B13/004; F16B13/04; F16B13/08; F16B13/0858; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17957; Y10T279/34; Y10T279/3406; Y10T279/3418; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/5383

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US768186A Cited
US1996121A Cited
US2918290A 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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