Patent US2159614A successfully refreshed from Google Patents.
← Back to Patent Explorer
US648841A Expired / Lapsed US ⏱️ 0.0 years remaining

Paper-clip.

Assignee: Individual
•
Filing: 1899-09-21
•
Granted: 1900-05-01
•
Expires: 1919-09-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Cornelius J Brosnan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:04
CPC Classifications
B; B42; B42F; B42F1/00; B42F1/02; B42F1/04; B42F1/08; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/202; Y10T24/205; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44778; Y10T24/44786; Y10T24/44906; Y10T24/44915

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) 1903-05-01 1903-10-31 1904-05-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1907-05-01 1907-10-31 1908-05-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1911-05-01 1911-10-31 1912-05-01 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag