← Back to Patent Explorer
US2689808A Expired / Lapsed US ⏱️ 0.0 years remaining

Metal plating

Assignee: Peen Plate Inc
•
Filing: 1950-07-29
•
Granted: 1954-09-21
•
Expires: 1970-07-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Erith T Clayton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 21:57
CPC Classifications
C; C23; C23C; C23C24/00; C23C24/02; C23C24/04; C23C24/045

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 340 words
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
Claim 2
Independent Claim 340 words
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

References Cited (Backward Citations)

GB534888A Cited
US2375315A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-09-20 1958-03-22 1958-09-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-09-20 1962-03-22 1962-09-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-09-20 1966-03-22 1966-09-21 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag