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Patent US2477266A successfully refreshed from Google Patents.
US2477266A
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Cement block machine
Assignee: Individual
•
Filing: 1946-08-02
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Granted: 1949-07-26
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Expires: 1966-08-02
Abstract
No abstract record available.
Inventors
- 👤 Sr William C Phillips
- 👤 Jr William C Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:51
CPC Classifications
B; B28; B28B; B28B5/00; B28B5/02; B28B5/021; B28B5/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US949886A
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US1184648A
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US1534361A
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US1545376A
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US1565575A
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US1551646A
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US1559200A
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US1782413A
Cited
US1837529A
Cited
US2225015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |