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US2560915A Expired / Lapsed US ⏱️ 0.0 years remaining

Sump drain

Assignee: Individual
•
Filing: 1947-04-05
•
Granted: 1951-07-17
•
Expires: 1967-04-05
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred A Bamberger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:52
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/84; A61M1/85

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE346011C Cited
US1188180A Cited
US1667325A Cited
US1598284A Cited
US1863057A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-07-16 1955-01-15 1955-07-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-07-16 1959-01-15 1959-07-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-07-16 1963-01-15 1963-07-17 $7700.00 Window Closed / Lapsed

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