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Patent US3544159A successfully refreshed from Google Patents.
US3544159A
Expired / Lapsed
US
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Tiltable chair construction
Assignee: CONSOLIDATED BURRIS INTERN Ltd
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Filing: 1968-05-10
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Granted: 1970-12-01
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Expires: 1988-05-10
Abstract
No abstract record available.
Inventors
- 👤 Herbert Andersson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:15
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/02; A47C3/025; A47C3/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US5345A
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US193433A
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US2424753A
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US2464300A
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US2711211A
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US2760553A
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US2935119A
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US3131904A
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US3162420A
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US3185429A
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US3240528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |