Patent US3420484A successfully refreshed from Google Patents.
US3420484A
Expired / Lapsed
US
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Corner construction for knock-down tables
Assignee: GENERAL METAL PRODUCTS CO
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Filing: 1967-03-06
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Granted: 1969-01-07
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Expires: 1987-03-06
Abstract
No abstract record available.
Inventors
- 👤 Ralph Mattick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:06
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/44; F16B12/50; A; A47; A47B; A47B13/00; A47B13/02; A47B13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2172687A
Cited
US2143542A
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US2224558A
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US2873035A
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US3229790A
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US3204905A
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US3187693A
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US3255722A
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US3341160A
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US3327658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |