Patent US2169409A successfully refreshed from Google Patents.
Patent US2463288A successfully refreshed from Google Patents.
US2463288A
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Electrostatic heating method and apparatus for vulcanizing rubber and similar material
Assignee: Goodrich Corp
•
Filing: 1945-03-26
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Granted: 1949-03-01
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Expires: 1965-03-26
Abstract
No abstract record available.
Inventors
- 👤 Charles W Leguillon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:07
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/02; B29C35/12; B29C35/14; B29C48/00; B29C48/03; B29C48/05; B29C48/07; B29C48/09; B29C48/25; B29C48/88; B29C48/91; B29C35/16; B29C2035/1616; B29C48/08; B29K; B29K2009/00; B29K2009/06; B29K2021/00; Y; Y10; Y10S; Y10S264/00; Y10S264/46; Y10S264/67
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |