← Back to Patent Explorer
US2788684A Expired / Lapsed US ⏱️ 0.0 years remaining

Drilling jig

Assignee: Individual
•
Filing: 1953-04-08
•
Granted: 1957-04-16
•
Expires: 1973-04-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John H Scharf

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 20:18
CPC Classifications
B; B25; B25H; B25H1/00; B25H1/0021; B25H1/0078; B23; B23B; B23B49/00; B23B49/02; Y; Y10; Y10T; Y10T408/00; Y10T408/55

Claims Analysis

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

References Cited (Backward Citations)

US482616A Cited
US1073362A Cited
US1403149A Cited
US2224480A Cited
US2360942A Cited
US2353295A Cited
US2488279A Cited
US2428201A Cited
GB636815A Cited
US2708972A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-04-15 1960-10-15 1961-04-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-04-15 1964-10-15 1965-04-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-04-15 1968-10-15 1969-04-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag