Patent US2570657A successfully refreshed from Google Patents.
US2570657A
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Electrically heated retreading mold for tires
Assignee: Super Mold Corp of California
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Filing: 1949-05-07
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Granted: 1951-10-09
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Expires: 1969-05-07
Abstract
No abstract record available.
Inventors
- 👤 John J Fannen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:29
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/52; B29D30/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190405921A
Cited
FR648331A
Cited
US1879194A
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US2069567A
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US2267243A
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US2255770A
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US2315934A
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US2407806A
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US2456063A
Cited
US2518142A
Cited
US2509830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |