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US3486790A
Expired / Lapsed
US
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Chair assembly
Assignee: American Seating Co
•
Filing: 1968-04-19
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Granted: 1969-12-30
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Expires: 1988-04-19
Abstract
No abstract record available.
Inventors
- 👤 Chester J Barecki
- 👤 Robert L Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:03
CPC Classifications
A; A47; A47C; A47C9/00; A47C9/02; A47C9/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US478987A
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US1321732A
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US1337221A
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US1407405A
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US1860291A
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US1944765A
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US1961459A
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US2306812A
Cited
US3226154A
Cited
US3262733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |