US3115987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welded container with thermoplastic lining and method of making same
Assignee: General Electric Co
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Filing: 1962-10-05
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Granted: 1963-12-31
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Expires: 1982-10-05
Abstract
No abstract record available.
Inventors
- 👤 John W Barnstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:34
CPC Classifications
B; B65; B65D; B65D7/00; B65D7/12; B65D7/34; B65D7/38; B65D25/00; B65D25/14; B65D7/02; B65D7/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
141 words
A CONTAINER COMPRISING A METAL SHELL AND AN END CAP WELDED TO AT LEAST ONE END OF THE SHELL, THE INNER SURFACE OF THE SHELL AND THE END CAP EACH BEING COATED WITH A LAYER OF THERMOPLASTIC MATERIAL EXCEPT IN THE OUTERMOST PORTION OF THE AREA WHERE THE SHELL AND END CAP OVERLAP EACH OTHER AND ARE WELDED TOGETHER, THE HEAT OF THE WELDING OPERATION SERVING TO HEAT SEAL THE THERMOPLASTIC MATERIAL IN THE VICINITY OF THE WELDED JOINT TO FORM A CONTINUOUS CORROSION RESISTANT THERMOPLASTIC INNER LINER FOR THE CONTAINER, AT LEAST ONE OF THE SHELL MEMBER AND END CAP MEMBER HAVING VENT HOLES LOCATED BETWEEN THE WELDED JOINT AND THE FUSED THERMOPLASTIC PORTION, THE VENT HOLES SERVING TO RELIEVE THE WELDED JOINT FROM TRAPPED AIR AND GENERATED GASES SO AS TO PREVENT THE GASES FROM PUNCTURING THE THERMOPLASTIC LINER.
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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |