← Back to Patent Explorer
US2778173A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of producing airtight packages

Assignee: WILTS UNITED DAIRIES Ltd
•
Filing: 1951-08-24
•
Granted: 1957-01-22
•
Expires: 1971-08-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Taunton Gerald

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 04:25
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/01; B65D81/00; B65D81/18; B65D81/20; B65D81/2007; B65D81/2023; Y; Y10; Y10S; Y10S206/00; Y10S206/829

Claims Analysis

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

References Cited (Backward Citations)

US1938593A Cited
US2105376A Cited
US2292295A Cited
US2387812A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-22 1960-07-23 1961-01-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-22 1964-07-23 1965-01-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-22 1968-07-23 1969-01-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag