US3471200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair construction
Assignee: EARLE A MORRISON
•
Filing: 1968-02-23
•
Granted: 1969-10-07
•
Expires: 1988-02-23
Abstract
No abstract record available.
Inventors
- 👤 Earle A Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:13
CPC Classifications
A; A47; A47C; A47C5/00; A47C5/04; A47C5/06; A47C7/00; A47C7/02; A47C7/16; Y; Y10; Y10S; Y10S297/00; Y10S297/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123379A
Cited
US2192101A
Cited
US2826523A
Cited
US3163467A
Cited
US3167352A
Cited
US3399920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |