Patent US1291722A successfully refreshed from Google Patents.
← Back to Patent Explorer
US1291722A Expired / Lapsed US ⏱️ 0.0 years remaining

Lock-switch.

Assignee: Individual
•
Filing: 1915-07-27
•
Granted: 1919-01-21
•
Expires: 1935-07-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Lionel F Barnes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:48
CPC Classifications
H; H01; H01H; H01H27/00; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/7842; Y10T70/7847

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) 1922-01-20 1922-07-22 1923-01-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1926-01-20 1926-07-22 1927-01-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1930-01-20 1930-07-22 1931-01-21 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag