US2553259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of joining plastic substances
Assignee: Nordisk Insulinlaboratorium
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Filing: 1947-09-02
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Granted: 1951-05-15
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Expires: 1967-09-02
Abstract
No abstract record available.
Inventors
- 👤 Hagedorn Hans Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:30
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/14; B29C65/1429; B29C65/1435; B29C65/1454; B29C65/1477; B29C65/148; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/12; B29C66/122; B29C66/1222; B29C66/1224; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5346; B29C66/53461; B29C66/61; B29C66/612; B29C66/65; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C65/1403; B29C65/1409; B29C66/73921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE PROCESS OF UNITING WITH THE AID OF IRRADIATION A FIRST PART OF A THERMOPLASTIC MATRERIAL RELATIVELY OPAQUE TO SUCH IRRADIATION AND A SECOND PART TRANSPARENT TO SUCH IRRADIATION, WHICH PROCESS COMPRISES JUXTAPOSING THE TWO PARTS AND PASSING THE IRRADIATION THROUGH THE SECOND PART ON TO THE FIRST ARTICLE TO PRODUCE SOFTENING THEREOF.
Claim 2
Dependent Claim
53 words
THE PROCESS OF UNITING WITH THE AID OF IRRADIATION A FIRST PART OF A THERMOPLASTIC MATRERIAL RELATIVELY OPAQUE TO SUCH IRRADIATION AND A SECOND PART TRANSPARENT TO SUCH IRRADIATION, WHICH PROCESS COMPRISES JUXTAPOSING THE TWO PARTS AND PASSING THE IRRADIATION THROUGH THE SECOND PART ON TO THE FIRST ARTICLE TO PRODUCE SOFTENING THEREOF.
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) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |