US2502240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing heavy gauge articles from thin thermoplastic sheet material
Assignee: Plax Corp
•
Filing: 1946-02-23
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Granted: 1950-03-28
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Expires: 1966-02-23
Abstract
No abstract record available.
Inventors
- 👤 Fred E Wiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:26
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10S; Y10S264/00; Y10S264/53; Y10S264/73
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PROCESS FOR PRODUCING A HEAVY ARTICLE OF A THERMOPLASTIC RESIN POLYMER WHICH COMPRISES CUTTING SAID ARTICCLE FROM LIGHT GAUGE SUBSTANTIALLY UNIFORMLY BIAXIALLY ORIENTED SHEET OF SAID POLYMER AND THEREAFTER FREELY RELAXING ALL OF THE ORIENTATION FORCES THEREIN TO INCREASE THE GAUGE OF THE ARTICLE.
Claim 2
Dependent Claim
45 words
A PROCESS FOR PRODUCING A HEAVY ARTICLE OF A THERMOPLASTIC RESIN POLYMER WHICH COMPRISES CUTTING SAID ARTICCLE FROM LIGHT GAUGE SUBSTANTIALLY UNIFORMLY BIAXIALLY ORIENTED SHEET OF SAID POLYMER AND THEREAFTER FREELY RELAXING ALL OF THE ORIENTATION FORCES THEREIN TO INCREASE THE GAUGE OF THE ARTICLE.
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) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |