Patent US5033378A successfully refreshed from Google Patents.
Patent US2731316A successfully refreshed from Google Patents.
US2731316A
Expired / Lapsed
US
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Prefabricated metal-frame knockdown work table
Assignee: Individual
•
Filing: 1954-04-22
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Granted: 1956-01-17
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Expires: 1974-04-22
Abstract
No abstract record available.
Inventors
- 👤 Cohen Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:19
CPC Classifications
A; A47; A47B; A47B7/00; B; B25; B25H; B25H1/00; B25H1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1473817A
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US1770500A
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US2166195A
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US2166196A
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US2377743A
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US2310904A
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US2388157A
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US2605105A
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US2481350A
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US2639789A
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US2660501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |