← Back to Patent Explorer
US2876393A Expired / Lapsed US ⏱️ 0.0 years remaining

Printed circuit baseboard

Assignee: Lockheed Martin Corp
•
Filing: 1956-05-15
•
Granted: 1959-03-03
•
Expires: 1976-05-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Sidney K Tally
  • 👤 Victor F Dahlgren

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:47
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/46; H05K3/4611; H05K3/4626; H05K3/4632; H05K3/22; H05K3/222; H05K2201/00; H05K2201/01; H05K2201/0104; H05K2201/0129; H05K2201/10; H05K2201/10227; H05K2201/10363; H05K3/28; H05K3/281; H05K3/40; H05K3/4038; H05K3/4046

Claims Analysis

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

References Cited (Backward Citations)

US1718993A Cited
US2492236A Cited
US2547022A Cited
US2695351A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-03-02 1962-09-01 1963-03-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-03-02 1966-09-01 1967-03-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-03-02 1970-09-01 1971-03-03 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag