US2434641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient seat cushion
Assignee: Individual
•
Filing: 1946-02-20
•
Granted: 1948-01-20
•
Expires: 1966-02-20
Abstract
No abstract record available.
Inventors
- 👤 Henry L Burns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:29
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/08; A47C27/081; A47C27/14; A47C27/18; A61; A61G; A61G7/00; A61G7/05; A61G7/057; A61G7/05769; Y; Y10; Y10S; Y10S297/00; Y10S297/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1640618A
Cited
GB376291A
Cited
FR794573A
Cited
US2028060A
Cited
US2150747A
Cited
US2359318A
Cited
US2350711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-19 | 1951-07-21 | 1952-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-19 | 1955-07-21 | 1956-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-19 | 1959-07-21 | 1960-01-20 | $7700.00 | Window Closed / Lapsed |