← Back to Patent Explorer
US2653603A Expired / Lapsed US ⏱️ 0.0 years remaining

Injection apparatus

Assignee: Individual
•
Filing: 1950-08-03
•
Granted: 1953-09-29
•
Expires: 1970-08-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jr George N Hein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 04:56
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/30; A61M5/20; A61M5/204; A61M5/24; A61M5/2455; A61M5/2466; A61M5/31; A61M5/315; A61M5/31565; A61M5/31576; A61M5/31578; A61M5/3159; A61M5/31593

Claims Analysis

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

References Cited (Backward Citations)

US791802A Cited
US1046166A Cited
US1373803A Cited
US1456469A Cited
US1852658A Cited
US2322244A Cited
US2244969A Cited
US2380534A Cited
US2322245A Cited
US2547099A Cited
US2550053A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-09-28 1957-03-30 1957-09-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-09-28 1961-03-30 1961-09-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-09-28 1965-03-30 1965-09-29 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag