Patent US3468430A successfully refreshed from Google Patents.
US3468430A
Expired / Lapsed
US
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Structural elements to form racks
Assignee: WELINLOK Ltd
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Filing: 1967-06-06
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Granted: 1969-09-23
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Expires: 1987-06-06
Abstract
No abstract record available.
Inventors
- 👤 William E Lawman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:22
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/14; F; F16; F16B; F16B12/00; F16B12/10; F16B12/28; F16B12/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2312985A
Cited
US2654487A
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US2784812A
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US3006443A
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US2928512A
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US3061055A
Cited
US3003600A
Cited
US3067985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |