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Patent US2748673A successfully refreshed from Google Patents.
US2748673A
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Liner for composite containers
Assignee: Hedwin Corp
•
Filing: 1951-03-09
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Granted: 1956-06-05
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Expires: 1971-03-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Winstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:58
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/14; B65D25/16; Y; Y10; Y10S; Y10S493/00; Y10S493/916; Y10S493/924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2374793A
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US2338604A
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US2412544A
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US2396035A
Cited
US2485816A
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US2511481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |