← Back to Patent Explorer
US3450569A Expired / Lapsed US ⏱️ 0.0 years remaining

Primary cell

Assignee: United States Department of the Army
•
Filing: 1966-05-05
•
Granted: 1969-06-17
•
Expires: 1986-05-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Raymond E Dumas
  • 👤 Harry L Williams Jr
  • 👤 Donald B Wood

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 03:37
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M4/00; H01M4/02; H01M4/36; H01M4/38; H01M4/46; H01M6/06

Claims Analysis

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

References Cited (Backward Citations)

US350297A Cited
US1425163A Cited
US1484783A Cited
US2936327A Cited
US2993946A Cited
US3258367A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-06-16 1972-12-16 1973-06-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-06-16 1976-12-16 1977-06-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-06-16 1980-12-16 1981-06-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag