US1836981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Massaging and exercising apparatus
Assignee: ROLL A WAY BED CORP
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Filing: 1927-08-08
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Granted: 1931-12-15
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Expires: 1947-08-08
Abstract
No abstract record available.
Inventors
- 👤 William A Matheson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:11
CPC Classifications
A; A61; A61H; A61H15/00; A63; A63B; A63B22/00; A63B22/0076; A63B2022/0082; A63B2022/0084; A63B2210/00; A63B2210/50
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) | 1934-12-14 | 1935-06-15 | 1935-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-12-14 | 1939-06-15 | 1939-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-12-14 | 1943-06-15 | 1943-12-15 | $7700.00 | Window Closed / Lapsed |