Patent US2500542A successfully refreshed from Google Patents.
US2500542A
Expired / Lapsed
US
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Adjustable table top
Assignee: ESMCO AUTO PRODUCTS Corp
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Filing: 1946-07-11
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Granted: 1950-03-14
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Expires: 1966-07-11
Abstract
No abstract record available.
Inventors
- 👤 Greene David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:22
CPC Classifications
A; A47; A47B; A47B23/00; A47B23/04; A47B23/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1073991A
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US1133804A
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US1295680A
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US1883974A
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US1838352A
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US1867763A
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US1932543A
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US2063781A
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US2252215A
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US2260732A
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US2445048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |