US3370884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chair with footrest
Assignee: Royal Development Co Inc
•
Filing: 1966-03-23
•
Granted: 1968-02-27
•
Expires: 1986-03-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter C Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:28
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/02; A47C1/031; A47C1/034; A47C1/035; A47C1/0355
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US212474A
Cited
US426602A
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US556343A
Cited
CA198879A
Cited
FR602342A
Cited
US1951793A
Cited
US2046644A
Cited
US2326910A
Cited
US2880784A
Cited
US2903045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |