← Back to Patent Explorer
US3015007A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermal device

Assignee: General Electric Canada Co
•
Filing: 1959-12-08
•
Granted: 1961-12-26
•
Expires: 1979-12-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John F Howard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 17:48
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/22; H01H73/30

Claims Analysis

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

References Cited (Backward Citations)

US2558258A Cited
GB707569A Cited
US2908786A Cited
US2942081A Cited
US2897319A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-12-25 1965-06-26 1965-12-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-12-25 1969-06-26 1969-12-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-12-25 1973-06-26 1973-12-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag