Patent US3102303A successfully refreshed from Google Patents.
US3102303A
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Apparatus for irradiation of plastics
Assignee: Western Plastics Corp
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Filing: 1958-12-18
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Granted: 1963-09-03
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Expires: 1978-12-18
Abstract
No abstract record available.
Inventors
- 👤 John J Lainson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:52
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/02; B29C35/08; B29C35/10; B29C48/00; B29C48/03; B29C48/09; B29C48/25; B29C48/88; B29C48/91; B29C35/0805; B29C2035/0827; Y; Y10; Y10S; Y10S264/00; Y10S264/33; Y10S264/42; Y10S425/00; Y10S425/013
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
IN APPARATUS FOR FABRICATING PLASTIC PIPE INCLUDING A PIPE EXTRUSION DIE HAVING A FORMING MANDREL, AND A COOLING MANDREL AXIALLY ALIGNED WITH THE FORMING MANDREL AND PROJECTING FROM THE DIE, THE IMPROVEMENT COMPRIS-
Claim 2
Dependent Claim
33 words
IN APPARATUS FOR FABRICATING PLASTIC PIPE INCLUDING A PIPE EXTRUSION DIE HAVING A FORMING MANDREL, AND A COOLING MANDREL AXIALLY ALIGNED WITH THE FORMING MANDREL AND PROJECTING FROM THE DIE, THE IMPROVEMENT COMPRIS-
References Cited (Backward Citations)
US1133610A
Cited
US2423520A
Cited
US2484529A
Cited
US2461630A
Cited
US2448828A
Cited
US2583330A
Cited
US2640023A
Cited
US2616126A
Cited
US2683896A
Cited
GB723631A
Cited
US2919473A
Cited
US2859476A
Cited
US2834983A
Cited
US3014799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |