← Back to Patent Explorer
US2967335A Expired / Lapsed US ⏱️ 0.0 years remaining

Window structures

Assignee: ALUMATIC Corp OF AMERICA
•
Filing: 1957-08-22
•
Granted: 1961-01-10
•
Expires: 1977-08-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Zitomer Abe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 03:51
CPC Classifications
E; E05; E05F; E05F11/00; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; Y; Y10; Y10S; Y10S292/00; Y10S292/20; Y10T; Y10T292/00; Y10T292/42; Y10T292/432

Claims Analysis

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

References Cited (Backward Citations)

US532935A Cited
US1548530A Cited
US2468683A Cited
US2545645A Cited
US2636227A Cited
US2595016A Cited
US2760607A Cited
US2812836A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-01-10 1964-07-11 1965-01-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-01-10 1968-07-11 1969-01-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-01-10 1972-07-11 1973-01-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag