Patent US2175522A successfully refreshed from Google Patents.
US2586940A
Expired / Lapsed
US
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Surgical appliance
Assignee: Individual
•
Filing: 1947-10-30
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Granted: 1952-02-26
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Expires: 1967-10-30
Abstract
No abstract record available.
Inventors
- 👤 Albert E Graham
- 👤 Carl F Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:24
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/02; A61M2025/0206; A61M2025/024; Y; Y10; Y10S; Y10S128/00; Y10S128/26; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/4453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US503973A
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US921702A
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US1010739A
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US1231869A
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US1181756A
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US1617089A
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US1728322A
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US2046094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |