Patent US2734249A successfully refreshed from Google Patents.
US2734249A
Expired / Lapsed
US
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Roofing tile making machines
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
•
Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:08
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)
US1501625A
Cited
CH29126A
Cited
US1076765A
Cited
US1176258A
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US1550014A
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US1814026A
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US2020755A
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US2028044A
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US2104293A
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US2320728A
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US2270829A
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US2390564A
Cited
US2477266A
Cited
US2501473A
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US2569231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |