← Back to Patent Explorer
US680870A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for attaching rubber washers to bottle-stoppers.

Assignee: MAX C ROSENFELD
•
Filing: 1901-06-03
•
Granted: 1901-08-20
•
Expires: 1921-06-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Frederick Leu

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 04:42
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/0028; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53657

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) 1904-08-19 1905-02-18 1905-08-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1908-08-19 1909-02-18 1909-08-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1912-08-19 1913-02-18 1913-08-20 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag