US3534133A
Expired / Lapsed
US
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Method of preparing seamless non-cylindrical insulators
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1966-08-19
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Granted: 1970-10-13
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Expires: 1986-08-19
Abstract
No abstract record available.
Inventors
- 👤 Engelhard Koch
- 👤 Karl Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:27
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/0011; B29C33/30; B29C33/44; B29C33/48; B29C33/50; B29C39/00; B29C39/02; B29C39/10; B29C39/22; B29C39/26; B29C70/00; B29C70/68; H; H01; H01B; H01B19/00; B29L; B29L2031/00; B29L2031/34; B29L2031/3412; H01B17/00; H01B17/14; H01B17/16
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) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |