Patent US3456970A successfully refreshed from Google Patents.
US3456970A
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US
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Connections between structural components
Assignee: Dexion Ltd
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Filing: 1967-08-24
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Granted: 1969-07-22
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Expires: 1987-08-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph Sunasky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:03
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/30; A47B57/40; A47B57/402; F; F16; F16B; F16B7/00; F16B7/22; F16B2200/00; F16B2200/20; F16B2200/69; F16B2200/71
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |