Patent US2698458A successfully refreshed from Google Patents.
US2698458A
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US
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Apparatus for manufacture of vulcanized products
Assignee: Quaker Rubber Corp
•
Filing: 1951-08-09
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Granted: 1955-01-04
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Expires: 1971-08-09
Abstract
No abstract record available.
Inventors
- 👤 Keach James Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:23
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29C; B29C35/00; B29C35/02; B29C35/0227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US604258A
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US1209308A
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US2446281A
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US2584501A
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US2573642A
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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) | 1958-01-03 | 1958-07-05 | 1959-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-03 | 1962-07-05 | 1963-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-03 | 1966-07-05 | 1967-01-04 | $7700.00 | Window Closed / Lapsed |