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Patent US2642622A successfully refreshed from Google Patents.
US2642622A
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Continuous vulcanizing apparatus
Assignee: AT&T Inc
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Filing: 1946-04-06
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Granted: 1953-06-23
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Expires: 1966-04-06
Abstract
No abstract record available.
Inventors
- 👤 David D Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:21
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/02; B29C35/04; B29C35/06; B29C35/065; B29C48/00; B29C48/03; B29C48/05; B29C48/06; B29K; B29K2021/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2069087A
Cited
US2230283A
Cited
FR864121A
Cited
US2291344A
Cited
US2373816A
Cited
US2426341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |