Patent US1703237A successfully refreshed from Google Patents.
US1703237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mattress with adjustable back rest and leg support
Assignee: Individual
•
Filing: 1927-06-01
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Granted: 1929-02-26
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Expires: 1947-06-01
Abstract
No abstract record available.
Inventors
- 👤 Holtkamp Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:04
CPC Classifications
A; A47; A47B; A47B23/00; A47B23/007; A47C; A47C20/00; A47C20/04; A47C20/043; A47C20/08; A61; A61G; A61G7/00; A61G7/002; A61G7/015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-02-26 | 1932-08-27 | 1933-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-02-26 | 1936-08-27 | 1937-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-02-26 | 1940-08-27 | 1941-02-26 | $7700.00 | Window Closed / Lapsed |