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Patent US2646322A successfully refreshed from Google Patents.
US2646322A
Expired / Lapsed
US
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Vertically adjustable drafting board table
Assignee: Individual
•
Filing: 1949-01-10
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Granted: 1953-07-21
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Expires: 1969-01-10
Abstract
No abstract record available.
Inventors
- 👤 Laxo Ed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:36
CPC Classifications
A; A47; A47B; A47B27/00; A47B27/04; A47B27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1165144A
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US1216424A
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US1483051A
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US1956546A
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US2312804A
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US2312636A
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US2356924A
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US2368748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |