Patent US1622903A successfully refreshed from Google Patents.
US1622903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medical appliance
Assignee: Individual
•
Filing: 1925-10-20
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Granted: 1927-03-29
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Expires: 1945-10-20
Abstract
No abstract record available.
Inventors
- 👤 John L Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:14
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/02; A61F2007/0001; A61F2007/0054; Y; Y10; Y10S; Y10S165/00; Y10S165/044; Y10S165/047; Y10S165/049
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) | 1930-03-28 | 1930-09-27 | 1931-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-03-28 | 1934-09-27 | 1935-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-03-28 | 1938-09-27 | 1939-03-29 | $7700.00 | Window Closed / Lapsed |