← Back to Patent Explorer
US2443142A Expired / Lapsed US ⏱️ 0.0 years remaining

Amber glass and batch composition for making same

Assignee: Hartford Empire Co
•
Filing: 1944-08-29
•
Granted: 1948-06-08
•
Expires: 1964-08-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Aaron K Lyle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 22:02
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/11; C03C3/112; C03C3/083; C03C3/085; C03C3/087; C03C4/00; C03C4/02; C03C4/08; C03C4/085

Claims Analysis

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

References Cited (Backward Citations)

US1830902A Cited
CH142393A Cited
US2056627A Cited
US2303779A Cited
US2367871A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-06-08 1951-12-08 1952-06-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-06-08 1955-12-08 1956-06-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-06-08 1959-12-08 1960-06-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag