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Assignee: GEORGE J LAPPO
•
Filing: 1966-08-16
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Granted: 1968-12-10
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Expires: 1986-08-16
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Abstract

No abstract record available.

Inventors

  • 👤 George J Lappo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 20:54
CPC Classifications
F; F04; F04B; F04B49/00; F04B11/00; F04B11/0008; F04B11/0016; F04B43/00; F04B43/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US968263A Cited
US1413568A Cited
GB299119A Cited
US2407792A Cited
US2537241A Cited
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US2809589A Cited
US2856863A Cited
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US2942550A Cited
US3198128A Cited
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US3104614A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-12-10 1972-06-10 1972-12-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-12-10 1976-06-10 1976-12-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-12-10 1980-06-10 1980-12-10 $7700.00 Window Closed / Lapsed

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