← Back to Patent Explorer
US252430A Expired / Lapsed US ⏱️ 0.0 years remaining

Barber s paper-clip

Assignee: —
•
Filing: —
•
Granted: 1882-01-17
•
Expires: 1899-01-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:54
CPC Classifications
A; A41; A41F; A41F11/00; A41F11/02; A41F11/04; G; G09; G09F; G09F15/00; G09F15/0006; G09F15/0018; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3449; Y10T24/3453; Y10T24/44; Y10T24/44641; Y10T24/44769

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) 1885-01-16 1885-07-18 1886-01-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1889-01-16 1889-07-18 1890-01-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1893-01-16 1893-07-18 1894-01-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag