Patent US3502752A successfully refreshed from Google Patents.
US3502752A
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US
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Control of the dimensions of multiple layers of extruded insulation
Assignee: General Cable Corp
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Filing: 1967-02-13
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Granted: 1970-03-24
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Expires: 1987-02-13
Abstract
No abstract record available.
Inventors
- 👤 Charles A Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:43
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/14; B; B29; B29C; B29C48/00; B29C48/03; B29C48/06; B29C48/25; B29C48/30; B29C48/304; B29C48/32; B29C48/34; B29C48/92; B29C2948/00; B29C2948/92; B29C2948/92009; B29C2948/92085; B29C2948/92114; B29C2948/92123; B29C2948/92152; B29C2948/92238; B29C2948/92323; B29C2948/92333; B29C2948/92447; B29C2948/92504; B29C2948/92514; B29C2948/92571; B29C2948/9258; B29C2948/9259; B29C2948/926; B29C2948/92609; B29C2948/92619; B29C2948/92647; B29C2948/92733; B29C2948/92819; B29C2948/92828; B29C2948/92952; B29K; B29K2105/00; B29K2105/06; B29K2105/20; B29L; B29L2031/00; B29L2031/34; B29L2031/3462
Claims Analysis
Total Claims: 0
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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) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |