← Back to Patent Explorer
US2364616A Expired / Lapsed US ⏱️ 0.0 years remaining

Bonding sheet material

Assignee: American Felt Co
•
Filing: 1940-07-30
•
Granted: 1944-12-12
•
Expires: 1960-07-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Boeddinghaus Hugo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 21:41
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/22; B29C43/228; B29C33/00; B29C33/56; B29C33/68; B29C37/00; B29C37/0067; B29C37/0075; B29C43/006; D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D04H1/559; B29K; B29K2101/00; B29K2101/12; B29K2105/00; B29K2105/25; Y; Y10; Y10T; Y10T156/00; Y10T156/16

Claims Analysis

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

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1947-12-12 1948-06-12 1948-12-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1951-12-12 1952-06-12 1952-12-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1955-12-12 1956-06-12 1956-12-12 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag