Patent US884121A successfully refreshed from Google Patents.
US884121A
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Automatic electric alarm for beds to be occupied by patients, such as hospital-beds.
Assignee: Individual
•
Filing: 1906-08-04
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Granted: 1908-04-07
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Expires: 1926-08-04
Abstract
No abstract record available.
Inventors
- 👤 Frank Apold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:20
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/103; A61B5/11; A61B5/1113; A61B5/74; A61B5/7405; A61B2562/00; A61B2562/02; A61B2562/0219; H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/24; H01H1/242; Y; Y10; Y10S; Y10S200/00; Y10S200/08
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) | 1911-04-07 | 1911-10-07 | 1912-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-04-07 | 1915-10-07 | 1916-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-04-07 | 1919-10-07 | 1920-04-07 | $7700.00 | Window Closed / Lapsed |