← Back to Patent Explorer
US2872861A Expired / Lapsed US ⏱️ 0.0 years remaining

Forming or molding apparatus

Assignee: Commonwealth of Pennsylvania
•
Filing: 1955-01-31
•
Granted: 1959-02-10
•
Expires: 1975-01-31
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John R Smith
  • 👤 Albert J Cizauskas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 21:17
CPC Classifications
B; B44; B44B; B44B5/00; B44B5/02; B44B5/028; B29; B29C; B29C43/00; B44B5/0052; B44B5/026

Claims Analysis

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

References Cited (Backward Citations)

US297856A Cited
US463991A Cited
US1149694A Cited
US1519005A Cited
US1987370A Cited
US1862091A Cited
US2093099A Cited
US2164452A Cited
US2160427A Cited
US2278542A Cited
US2279131A Cited
US2422883A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-02-09 1962-08-11 1963-02-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-02-09 1966-08-11 1967-02-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-02-09 1970-08-11 1971-02-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag