US2612246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall construction
Assignee: Republic Steel Corp
•
Filing: 1945-11-09
•
Granted: 1952-09-30
•
Expires: 1965-11-09
Abstract
No abstract record available.
Inventors
- 👤 Irving P Whitehouse
- 👤 Wolfgang W Krauss
- 👤 Austin G Damon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:44
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58; E04B2/60; E04B2/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1709988A
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US1863231A
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US2056359A
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US2158732A
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US2114155A
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US2066814A
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US2128497A
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US2175271A
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US2251014A
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US2266599A
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US2209283A
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US2317428A
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US2328977A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |