Patent US3531604A successfully refreshed from Google Patents.
Patent US3052158A successfully refreshed from Google Patents.
Patent US2615558A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2615558A Expired / Lapsed US ⏱️ 0.0 years remaining

Conveyer mechanism for spring cambering machines

Assignee: Eaton Corp
•
Filing: 1946-12-12
•
Granted: 1952-10-28
•
Expires: 1966-12-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 George R Reed

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 12:37
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/02; Y; Y10; Y10S; Y10S198/00; Y10S198/952

Claims Analysis

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

References Cited (Backward Citations)

US1435046A Cited
US1572639A Cited
US1795665A Cited
US1659522A Cited
US1935739A Cited
US1867331A Cited
US1990707A Cited
US2076739A Cited
US2217333A Cited
US2243174A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-10-28 1956-04-28 1956-10-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-10-28 1960-04-28 1960-10-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-10-28 1964-04-28 1964-10-28 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag