Patent US3135211A successfully refreshed from Google Patents.
Patent US3533064A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3533064A Expired / Lapsed US ⏱️ 0.0 years remaining

Voltage fluctuation alarm

Assignee: OMNITRONICS RESEARCH Corp
•
Filing: 1967-05-22
•
Granted: 1970-10-06
•
Expires: 1987-05-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Franklin M Perelman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 16:07
CPC Classifications
G; G08; G08B; G08B25/00; G08B25/008; B; B60; B60R; B60R25/00; B60R25/10; B60R25/1004; B60R25/1001; B60R25/1003

Claims Analysis

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

References Cited (Backward Citations)

US2935730A Cited
US3184729A Cited
US3286250A Cited
US3422398A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-10-05 1974-04-06 1974-10-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-10-05 1978-04-06 1978-10-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-10-05 1982-04-06 1982-10-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag