Patent US3272318A successfully refreshed from Google Patents.
US3272318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lining for acid tanks and method of use
Assignee: Goodrich Corp
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Filing: 1965-05-05
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Granted: 1966-09-13
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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
2026-11-10 01:49
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/02; B65D90/022
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
37 words
AN ACID TANK COMPRISING A METAL SHELL, A LINING OF HARD RUBBER BONDED TO THE SHELL, POLYVINYL CHLORIDE FILM MATERIAL ADHERED TO THE HARD RUBBER LINING BY A NEOPRENE ADHESIVE, AND AN INTERNAL SHEATHING OF CARBON BRICK.
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |