Patent US3030246A successfully refreshed from Google Patents.
US3030246A
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Mandrel
Assignee: Individual
•
Filing: 1959-01-19
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Granted: 1962-04-17
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Expires: 1979-01-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward B Westlake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:06
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/50; B29C66/63; B29C65/00; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/50; B29C65/5007; B29C65/5035; B29C65/78; B29C65/7802; B29C65/7838; B29C65/82; B29C65/8269; B29C65/8276; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/116; B29C66/1162; B29C66/32; B29C66/324; B29C66/3242; B29C66/51; B29C66/54; B29C66/65; B29C66/652; B29C66/80; B29C66/83; B29C66/836; B29C65/02; B29C65/40; B29C65/42; B29C65/8207; B29C65/8246; B29L; B29L2031/00; B29L2031/712; B29L2031/7158
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A MANDREL FOR USE IN THE WELDING TOGETHER OF TUBULAR PLASTIC ELEMENTS COMPRISING, IN COMBINATION, A RESILIENT MEMBER CONSTRAINED IN CIRCULAR CONFIGURATION WITHIN THE INNER CIRCUMFERENCE OF THE PLASTIC ELEMENTS; AN END TAB ON ONE END OF SAID MEMBER LOCATED IN ABUTTING RELATION TO THE OTHER END OF SAID MEMBER; A WIRE SECURED TO THE END TAB; SAID WIRE PROJECTING OUT BEYOND ONE OF SAID ELEMENTS; A PAIR OF BRACES POSITIONED DIAMETRICALLY WITHIN THE CIRCLE FORMED BY SAID RESILIENT MEMBER; AND COOPERATING NOTCHES INTERMEDIATE THE ENDS OF EACH OF THE BRACES RETAINING THEM IN INTERLOCKED RELATIONSHIP.
Claim 2
Dependent Claim
96 words
A MANDREL FOR USE IN THE WELDING TOGETHER OF TUBULAR PLASTIC ELEMENTS COMPRISING, IN COMBINATION, A RESILIENT MEMBER CONSTRAINED IN CIRCULAR CONFIGURATION WITHIN THE INNER CIRCUMFERENCE OF THE PLASTIC ELEMENTS; AN END TAB ON ONE END OF SAID MEMBER LOCATED IN ABUTTING RELATION TO THE OTHER END OF SAID MEMBER; A WIRE SECURED TO THE END TAB; SAID WIRE PROJECTING OUT BEYOND ONE OF SAID ELEMENTS; A PAIR OF BRACES POSITIONED DIAMETRICALLY WITHIN THE CIRCLE FORMED BY SAID RESILIENT MEMBER; AND COOPERATING NOTCHES INTERMEDIATE THE ENDS OF EACH OF THE BRACES RETAINING THEM IN INTERLOCKED RELATIONSHIP.
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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |