Patent US1999299A successfully refreshed from Google Patents.
← Back to Patent Explorer
US1999299A Expired / Lapsed US ⏱️ 0.0 years remaining

Fire alarm system

Assignee: Individual
•
Filing: 1932-07-22
•
Granted: 1935-04-30
•
Expires: 1952-07-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Julius C Lowry
  • 👤 Ora M Rybolt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 14:48
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/10; G08B17/11; G08B17/113

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) 1938-04-29 1938-10-29 1939-04-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1942-04-29 1942-10-29 1943-04-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1946-04-29 1946-10-29 1947-04-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag