US3475876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Staggered reinforcement for concrete structures
Assignee: Individual
•
Filing: 1967-08-11
•
Granted: 1969-11-04
•
Expires: 1987-08-11
Abstract
No abstract record available.
Inventors
- 👤 Georgi Oroschakoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:14
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/01; E04C5/06; E04C5/0604; E04C5/0622; E04C5/02; E04C5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE630011A
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US1173901A
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CH169982A
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GB728866A
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AT179885B
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AT191137B
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FR1118750A
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CH384834A
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US3302360A
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US3300938A
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GB999417A
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US3364640A
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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) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |