← Back to Patent Explorer
US3068669A Expired / Lapsed US ⏱️ 0.0 years remaining

Construction of an apparatus for drawing vitreous fibers

Assignee: Individual
•
Filing: 1958-06-02
•
Granted: 1962-12-18
•
Expires: 1978-06-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 William S Fiedler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 09:15
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/08; C03B37/083

Claims Analysis

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

References Cited (Backward Citations)

GB452810A Cited
US2267019A Cited
US2489508A Cited
US2775850A Cited
US2814657A Cited
US2908036A Cited
US2962755A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-12-17 1966-06-18 1966-12-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-12-17 1970-06-18 1970-12-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-12-17 1974-06-18 1974-12-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag