Patent US3033511A successfully refreshed from Google Patents.
US3033511A
Expired / Lapsed
US
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Vertically adjustable chairs
Assignee: State Industrial Products Corp
•
Filing: 1958-11-14
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Granted: 1962-05-08
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Expires: 1978-11-14
Abstract
No abstract record available.
Inventors
- 👤 Mcafee Clif
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:17
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/20; A47C3/36; A47B; A47B3/00; A47B3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US148329A
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US200291A
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US231252A
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US348201A
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US369856A
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US544603A
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US1324013A
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US631556A
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US1434777A
Cited
US2824600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |