Patent US2887136A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2887136A Expired / Lapsed US ⏱️ 0.0 years remaining

Router bit

Assignee: Republic Aviation Corp
•
Filing: 1957-09-19
•
Granted: 1959-05-19
•
Expires: 1977-09-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Eric F Rathgeber

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 06:00
CPC Classifications
B; B27; B27G; B27G13/00; B27G13/002; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1946; Y10T407/1948; Y10T408/00; Y10T408/89; Y10T408/899

Claims Analysis

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

References Cited (Backward Citations)

US1789793A Cited
US1907880A Cited
US1963611A Cited
US2675841A Cited
US2792862A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-05-18 1962-11-17 1963-05-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-05-18 1966-11-17 1967-05-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-05-18 1970-11-17 1971-05-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag