Patent US2925638A successfully refreshed from Google Patents.
US2925638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Faced block molding device
Assignee: Individual
•
Filing: 1955-05-26
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Granted: 1960-02-23
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Expires: 1975-05-26
Abstract
No abstract record available.
Inventors
- 👤 Leander F Friedl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:45
CPC Classifications
B; B28; B28B; B28B5/00; B28B5/06; B28B5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US752644A
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US809901A
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US840006A
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US1056059A
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US1139971A
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US1442122A
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US1469820A
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US1659987A
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US1595369A
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US1875644A
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US1701438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |