US2525972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrication of articles from polyamides by hot working
Assignee: Polymer Corp
•
Filing: 1948-12-14
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Granted: 1950-10-17
•
Expires: 1968-12-14
Abstract
No abstract record available.
Inventors
- 👤 Louis L Stott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:43
CPC Classifications
B; B29; B29C; B29C67/00; Y; Y10; Y10S; Y10S264/00; Y10S264/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A METHOD FOR FABRICATING ARTICLES FROM A SYNTHETIC LINEAR POLYAMIDE HAIVNG A MELTING POINT IN THE NEIGHBORHOOD OF 500*F., WHICH METHOD COMPRISES HOT WORKING THE POLYAMIDE TO THE DESIRED ARTICLE SHAPE BY APPLYING PRESSURE THERETO, WITH THE TEMPERATURE OF THE POLYAMIDE ABOVE 425*F. BUT BELOW THE MELTING POINT.
Claim 2
Independent Claim
48 words
A METHOD FOR FABRICATING ARTICLES FROM A SYNTHETIC LINEAR POLYAMIDE HAIVNG A MELTING POINT IN THE NEIGHBORHOOD OF 500*F., WHICH METHOD COMPRISES HOT WORKING THE POLYAMIDE TO THE DESIRED ARTICLE SHAPE BY APPLYING PRESSURE THERETO, WITH THE TEMPERATURE OF THE POLYAMIDE ABOVE 425*F. BUT BELOW THE MELTING POINT.
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) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |