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US2805462A
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US
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Concrete forms
Assignee: Wilbert W Haase Co
•
Filing: 1954-06-03
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Granted: 1957-09-10
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Expires: 1974-06-03
Abstract
No abstract record available.
Inventors
- 👤 Chandler Wesley Miles
- 👤 Heuser Paul Fred
- 👤 Smith Kenneth Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:09
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/16; B28B7/168; B28B7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733495A
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US1134543A
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US1024646A
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US1164106A
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US1292203A
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US1538471A
Cited
US2442516A
Cited
US2593465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |