US2463289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing cellular rubber material
Assignee: Goodrich Corp
•
Filing: 1946-08-30
•
Granted: 1949-03-01
•
Expires: 1966-08-30
Abstract
No abstract record available.
Inventors
- 👤 Charles W Leguillon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:02
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/3415; Y; Y10; Y10S; Y10S264/00; Y10S264/46
Claims Analysis
Total Claims: 0
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GB517798A
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US2232109A
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US2319042A
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US2421097A
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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 |