Patent US3539783A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3539783A Expired / Lapsed US ⏱️ 0.0 years remaining

Tamper-proving odometer

Assignee: Old Carco LLC
•
Filing: 1969-03-26
•
Granted: 1970-11-10
•
Expires: 1989-03-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Rudolph Bergsma
  • 👤 Rex R Holbrook

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 11:02
CPC Classifications
G; G06; G06M; G06M3/00; G06M3/12

Claims Analysis

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

References Cited (Backward Citations)

US1531774A Cited
US1610639A Cited
US3137444A Cited
US3495773A Cited
US3482773A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-11-09 1974-05-11 1974-11-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-11-09 1978-05-11 1978-11-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-11-09 1982-05-11 1982-11-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag