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US3453832A Expired / Lapsed US ⏱️ 0.0 years remaining

Cast-in-place casings for concrete piles

Assignee: Intrusion Prepakt Inc
•
Filing: 1967-01-10
•
Granted: 1969-07-08
•
Expires: 1987-01-10
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Abstract

No abstract record available.

Inventors

  • 👤 Solomon J Rehmar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:38
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; C08; C08F; C08F8/00; C08F8/28; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/238; C10L1/2383; C10L10/00; C10L10/18; C10M; C10M133/00; C10M133/52; C10M133/56; C10M3/00; E; E02; E02D; E02D5/00; E02D5/22; E02D5/34; E02D5/38; C08F2810/00; C08F2810/20; C10M2203/00; C10M2203/06; C10M2205/00; C10M2205/02; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/086; C10M2215/22; C10M2215/223; C10M2215/224; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2225/00; C10M2225/04; C10M2225/041; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/25; C10N2040/252; C10N2040/253; C10N2070/00; C10N2070/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1484352A Cited
US2955805A Cited
US3090204A Cited
US3336760A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-07-07 1973-01-06 1973-07-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-07-07 1977-01-06 1977-07-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-07-07 1981-01-06 1981-07-08 $7700.00 Window Closed / Lapsed

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