US2636233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding machine
Assignee: CUYAHOGA IND
•
Filing: 1949-09-02
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Granted: 1953-04-28
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Expires: 1969-09-02
Abstract
No abstract record available.
Inventors
- 👤 John A Perkon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:48
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/64; B29C45/67; B29C45/6778; B22; B22D; B22D17/00; B22D17/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US714269A
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US1504455A
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US1686109A
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US1931489A
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US1961942A
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US1989812A
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US2112342A
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US2268949A
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US2358686A
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US2494071A
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US2493602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |