Patent US2704992A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2704992A Expired / Lapsed US ⏱️ 0.0 years remaining

Gas plating apparatus

Assignee: Erie Resistor Corp
•
Filing: 1951-12-28
•
Granted: 1955-03-29
•
Expires: 1971-12-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John W Schell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 05:08
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/44; C23C16/458

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US1965059A Cited
US2426377A Cited
GB589977A Cited
US2587036A Cited
US2540623A Cited
US2671739A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-03-28 1958-09-27 1959-03-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-03-28 1962-09-27 1963-03-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-03-28 1966-09-27 1967-03-29 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag