Patent US3276412A successfully refreshed from Google Patents.
US3276412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid tight shield
Assignee: Bethlehem Steel Corp
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Filing: 1964-08-12
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Granted: 1966-10-04
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Expires: 1984-08-12
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 04:15
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)
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 |