US3123248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Administrator of the national
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:55
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/54; B65D88/58; B65D88/60; B65D88/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A STORAGE TANK STRUCTURE, COMPRISING: (A) A RIGID STORAGE TANK SHELL HAVING AN OUTLET OPENING AND AN INLET OPENING; (B) A FLEXIBLE STORAGE BLADDER ADAPTED TO BE FILLED WITH A FLUID AND HAVING AN OUTLET MEANS SECURED IN THE OUTLET OPENING OF SAID SHELL; (C) TENSION MEANS ATTACHED TO SAID BLADDER AND TO SAID SHELL AT LOCATIONS DIAMETRICALLY OPPOSITE FROM SAID OUTLET MEANS AND EXERTING A FORCE IN A DIRECTION TO ELONGATE SAID BLADDER;
Claim 2
Dependent Claim
74 words
A STORAGE TANK STRUCTURE, COMPRISING: (A) A RIGID STORAGE TANK SHELL HAVING AN OUTLET OPENING AND AN INLET OPENING; (B) A FLEXIBLE STORAGE BLADDER ADAPTED TO BE FILLED WITH A FLUID AND HAVING AN OUTLET MEANS SECURED IN THE OUTLET OPENING OF SAID SHELL; (C) TENSION MEANS ATTACHED TO SAID BLADDER AND TO SAID SHELL AT LOCATIONS DIAMETRICALLY OPPOSITE FROM SAID OUTLET MEANS AND EXERTING A FORCE IN A DIRECTION TO ELONGATE SAID BLADDER;
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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |