Patent US3404500A successfully refreshed from Google Patents.
US3404500A
Expired / Lapsed
US
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Segmented metal lined liquid storing underground tank
Assignee: IHI Corp
•
Filing: 1966-05-26
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Granted: 1968-10-08
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Expires: 1986-05-26
Abstract
No abstract record available.
Inventors
- 👤 Akita Yoshio
- 👤 Maeda Toyoo
- 👤 Yada Toshio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:04
CPC Classifications
E; E04; E04H; E04H7/00; E04H7/02; E04H7/18; B; B65; B65D; B65D88/00; B65D88/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US602454A
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US1189694A
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US1898668A
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US1970940A
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US2331140A
Cited
US2558580A
Cited
US3140515A
Cited
US3245179A
Cited
US3151416A
Cited
US3280525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |