Patent US3489362A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3489362A Expired / Lapsed US ⏱️ 0.0 years remaining

Endless tape cartridge

Assignee: AMERLINE CORP
•
Filing: 1967-09-05
•
Granted: 1970-01-13
•
Expires: 1987-09-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 George F Linning

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:30
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/06

Claims Analysis

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

References Cited (Backward Citations)

US1244918A Cited
US3322360A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-01-12 1973-07-14 1974-01-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-01-12 1977-07-14 1978-01-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-01-12 1981-07-14 1982-01-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag