US2493067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mattress
Assignee: Individual
•
Filing: 1945-09-08
•
Granted: 1950-01-03
•
Expires: 1965-09-08
Abstract
No abstract record available.
Inventors
- 👤 Louis J Goldsmith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:47
CPC Classifications
A; A47; A47C; A47C21/00; A47C21/04; A47C21/048; A47C21/042; A47C21/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US96989A
Cited
US829318A
Cited
GB249760A
Cited
US1817277A
Cited
US1936960A
Cited
US1989582A
Cited
US2259712A
Cited
US2400790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |