← Back to Patent Explorer
US2564576A Expired / Lapsed US ⏱️ 0.0 years remaining

Variable-speed gear for bicycles, tandems, and the like

Assignee: Individual
•
Filing: 1947-03-11
•
Granted: 1951-08-14
•
Expires: 1967-03-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Juy Lucien Charles Hippolyte

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 16:00
CPC Classifications
B; B62; B62M; B62M9/00; B62M9/04; B62M9/06; B62M9/10; B62M9/12; B62M9/121; B62M9/126; B62M9/124; B62M2009/12413

Claims Analysis

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

References Cited (Backward Citations)

FR615139A Cited
FR742354A Cited
GB440377A Cited
US2108941A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-08-13 1955-02-12 1955-08-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-08-13 1959-02-12 1959-08-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-08-13 1963-02-12 1963-08-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag