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US2994449A Expired / Lapsed US ⏱️ 0.0 years remaining

Sealing cap for bottles, jars, canisters and similar containers

Assignee: Individual
•
Filing: 1957-05-29
•
Granted: 1961-08-01
•
Expires: 1977-05-29
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Abstract

No abstract record available.

Inventors

  • 👤 Ritzenhoff Hermann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 09:01
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/34; B65D41/348; B65D41/3485; B65D2401/00; B65D2401/15; B65D2401/35

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

FR567070A Cited
US1645158A Cited
US1881529A Cited
US1956215A Cited
FR1016084A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-07-31 1965-01-30 1965-08-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-07-31 1969-01-30 1969-08-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-07-31 1973-01-30 1973-08-01 $7700.00 Window Closed / Lapsed

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