Patent US2238965A successfully refreshed from Google Patents.
Patent US2752276A successfully refreshed from Google Patents.
US2752276A
Expired / Lapsed
US
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Plastic web-sheet and method of making same
Assignee: PLASTAKET Manufacturing Co
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Filing: 1950-12-11
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Granted: 1956-06-26
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Expires: 1970-12-11
Abstract
No abstract record available.
Inventors
- 👤 Walter R J Woock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:35
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/2628; B65; B65D; B65D1/00; B65D1/38; Y; Y10; Y10S; Y10S425/00; Y10S425/061; Y10T; Y10T428/00; Y10T428/24; Y10T428/24174; Y10T428/24273; Y10T428/24298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN AN INTEGRAL PLASTIC WEB-SHEET COMPRISED OF A PLURALITY OF BARS AND RAILS INTERSECTING IN LATTICE ARRANGEMENT; EACH RAIL INCLINING DOWNWARDLY AND LATERALLY OUTWARDLY FROM ITS UPPER LONGITUDINAL EDGE WHEN THE WEBSHEET IS IN UPSTANDING POSITION, AND SAID UPPER LONGITUDINAL EDGE OF EACH RAIL BEING DISPOSED WHOLLY BETWEEN THE FACES OF THE ADJACENT BARS; THE LOWER AND INNER LONGITUDINAL CORNER OF EACH RAIL BEING ALINED WITH THE OUTER FACE OF SAID ADJACENT BARS.
Claim 2
Dependent Claim
73 words
IN AN INTEGRAL PLASTIC WEB-SHEET COMPRISED OF A PLURALITY OF BARS AND RAILS INTERSECTING IN LATTICE ARRANGEMENT; EACH RAIL INCLINING DOWNWARDLY AND LATERALLY OUTWARDLY FROM ITS UPPER LONGITUDINAL EDGE WHEN THE WEBSHEET IS IN UPSTANDING POSITION, AND SAID UPPER LONGITUDINAL EDGE OF EACH RAIL BEING DISPOSED WHOLLY BETWEEN THE FACES OF THE ADJACENT BARS; THE LOWER AND INNER LONGITUDINAL CORNER OF EACH RAIL BEING ALINED WITH THE OUTER FACE OF SAID ADJACENT BARS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |