US3286822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lining for acid tanks
Assignee: Goodrich Corp
•
Filing: 1965-05-05
•
Granted: 1966-11-22
•
Expires: 1985-05-05
Abstract
No abstract record available.
Inventors
- 👤 Theodore E Saxman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:17
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/70; B65D85/84
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
AN ACID TANK COMPRISING AN METAL SHELL, A FIRST SHEET OF RUBBER OF SUBSTANTIAL THICKNESS BONDED TO THE INNER SURFACE OF THE SHELL, A SECOND SHEET OF RUBBER OVER THE FIRST WITH JOINTS IN THE SECOND SHEET STAGGERED FROM THE JOINTS IN THE FIRST SHEET AND WITH THE EXPOSED SURFACE OF THE SECOND SHEET OF RUBBER SMOOTH AND FREE FROM SHOULDERS AND A BRICK SHEATHING OVER THE RUBBER.
Claim 2
Dependent Claim
68 words
AN ACID TANK COMPRISING AN METAL SHELL, A FIRST SHEET OF RUBBER OF SUBSTANTIAL THICKNESS BONDED TO THE INNER SURFACE OF THE SHELL, A SECOND SHEET OF RUBBER OVER THE FIRST WITH JOINTS IN THE SECOND SHEET STAGGERED FROM THE JOINTS IN THE FIRST SHEET AND WITH THE EXPOSED SURFACE OF THE SECOND SHEET OF RUBBER SMOOTH AND FREE FROM SHOULDERS AND A BRICK SHEATHING OVER THE RUBBER.
References Cited (Backward Citations)
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US1202457A
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US1367231A
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US1899413A
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US2072802A
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US2054587A
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US2167716A
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FR836471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |