← Back to Patent Explorer
US3276412A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid tight shield

Assignee: Bethlehem Steel Corp
•
Filing: 1964-08-12
•
Granted: 1966-10-04
•
Expires: 1984-08-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John C Estes
  • 👤 Jr Addison L Evans

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 03:05
CPC Classifications
B; B63; B63B; B63B25/00; B63B25/02; B63B25/08; B63B25/12; Y; Y10; Y10S; Y10S220/00; Y10S220/21

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 65 words
A FLUID TIGHT SHIELD FOR CONNECTING A TANK AND AN ADJACENT STRUCTURE COMPRISING: (A) A FLEXIBLE PLATE RIGIDLY ATTACHED TO SAID TANK AND EXTENDING SAID STRUCTURE, (B) A RESILIENT FLUID TIGHT BLOCK INTERPOSED BETWEEN SAID PLATE AND SAID STRUCTURE, (C) SAID BLOCK BEING THE SOLE MEMBER INTERCONNECTING SAID PLATE AND SAID STRUCTURE, AND (D) SAID BLOCK BEING BONDED TO BOTH SAID PLATE AND SAID STRUCTURE.
Claim 2
Dependent Claim 65 words
A FLUID TIGHT SHIELD FOR CONNECTING A TANK AND AN ADJACENT STRUCTURE COMPRISING: (A) A FLEXIBLE PLATE RIGIDLY ATTACHED TO SAID TANK AND EXTENDING SAID STRUCTURE, (B) A RESILIENT FLUID TIGHT BLOCK INTERPOSED BETWEEN SAID PLATE AND SAID STRUCTURE, (C) SAID BLOCK BEING THE SOLE MEMBER INTERCONNECTING SAID PLATE AND SAID STRUCTURE, AND (D) SAID BLOCK BEING BONDED TO BOTH SAID PLATE AND SAID STRUCTURE.

References Cited (Backward Citations)

US2048312A Cited
US2539453A Cited
US3021808A Cited
US2970559A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-03 1970-04-04 1970-10-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-03 1974-04-04 1974-10-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-03 1978-04-04 1978-10-04 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag