Patent US1911440A successfully refreshed from Google Patents.
US1911440A
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Artificial limb
Assignee: Air Compressors and Tools Ltd
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Filing: 1929-12-20
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Granted: 1933-05-30
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Expires: 1949-12-20
Abstract
No abstract record available.
Inventors
- 👤 Desoutter Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:19
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/60; A61F2/66; A61F2/6607; A61F2/02; A61F2/30; A61F2002/30001; A61F2002/30108; A61F2002/30199; A61F2002/30224; A61F2002/30235; A61F2002/30316; A61F2002/30329; A61F2002/30433; A61F2002/30476; A61F2002/30494; A61F2002/6614; A61F2220/00; A61F2220/0025; A61F2220/0041; A61F2230/00; A61F2230/0063; A61F2230/0069; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/957; Y10S411/959; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32221; Y10T403/32606; Y10T403/32861; Y10T403/45; Y10T403/455
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) | 1936-05-29 | 1936-11-28 | 1937-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-29 | 1940-11-28 | 1941-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-29 | 1944-11-28 | 1945-05-30 | $7700.00 | Window Closed / Lapsed |