Patent US2442622A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2442622A Expired / Lapsed US ⏱️ 0.0 years remaining

Seal

Assignee: United States Atomic Energy Commission
•
Filing: 1943-11-16
•
Granted: 1948-06-01
•
Expires: 1963-11-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Allan M Starr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 15:10
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/50; F16J15/52

Claims Analysis

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

References Cited (Backward Citations)

DE38049C Cited
US283711A Cited
US1529874A Cited
US1821274A Cited
US1821895A Cited
GB321019A Cited
US2064703A Cited
US2217537A Cited
US2196676A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-06-01 1951-12-01 1952-06-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-06-01 1955-12-01 1956-06-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-06-01 1959-12-01 1960-06-01 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag