Patent US3486285A successfully refreshed from Google Patents.
US3486285A
Expired / Lapsed
US
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Modular wall system and method and joint assembly therefor
Assignee: Kaiser Steel Delaware Inc
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Filing: 1967-10-24
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Granted: 1969-12-30
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Expires: 1987-10-24
Abstract
No abstract record available.
Inventors
- 👤 Lin W Bowling
- 👤 Robert N Nyborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:28
CPC Classifications
E; E02; E02D; E02D29/00; E02D29/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB559877A
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US147011A
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FR452345A
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US1450180A
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GB226885A
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US1603678A
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US2128004A
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US2128005A
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US2629157A
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US2671538A
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US2746109A
Cited
US2817423A
Cited
DE1088901B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |