← Back to Patent Explorer
US2862436A Expired / Lapsed US ⏱️ 0.0 years remaining

Ventilating hood kit

Assignee: Individual
•
Filing: 1956-02-24
•
Granted: 1958-12-02
•
Expires: 1976-02-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John A Atwood

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 02:40
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20

Claims Analysis

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

References Cited (Backward Citations)

US603386A Cited
US1016259A Cited
US1177080A Cited
US1338378A Cited
US1885016A Cited
US2077496A Cited
US2647657A Cited
US2750867A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-01 1962-06-02 1962-12-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-01 1966-06-02 1966-12-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-01 1970-06-02 1970-12-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag