← Back to Patent Explorer
US2302002A Expired / Lapsed US ⏱️ 0.0 years remaining

Record controlled perforating machine

Assignee: International Business Machines Corp
•
Filing: 1941-11-29
•
Granted: 1942-11-17
•
Expires: 1961-11-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James W Bryce

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 17:14
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08

Claims Analysis

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

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1945-11-16 1946-05-18 1946-11-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-11-16 1950-05-18 1950-11-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-11-16 1954-05-18 1954-11-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag