← Back to Patent Explorer
US3520747B1 Expired / Lapsed US ⏱️ 0.0 years remaining

US3520747B1 - - Google Patents

Assignee: POLYMER ENTERPRISES Inc
•
Filing: 1965-10-29
•
Granted: 1988-12-13
•
Expires: 1985-10-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 21:43
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/50; B05D7/52; B29; B29C; B29C67/00; B29C67/24; F; F16; F16C; F16C13/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24364; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2942; Y10T428/2947; Y10T428/2964; Y10T428/2967

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) 1991-12-13 1992-06-13 1992-12-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1995-12-13 1996-06-13 1996-12-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1999-12-13 2000-06-13 2000-12-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag