US2673357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable mattress
Assignee: A Brandwein & Co
•
Filing: 1948-08-16
•
Granted: 1954-03-30
•
Expires: 1968-08-16
Abstract
No abstract record available.
Inventors
- 👤 Henry G Brandwein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:18
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/06; A47C27/061; Y; Y10; Y10T; Y10T24/00; Y10T24/38; Y10T24/39; Y10T24/3916; Y10T24/3996
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US818148A
Cited
US1392808A
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US1730771A
Cited
US1887275A
Cited
US1902000A
Cited
US1935970A
Cited
US1885171A
Cited
US1903148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |