Patent US2881500A successfully refreshed from Google Patents.
US2881500A
Expired / Lapsed
US
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Corneal clamp
Assignee: Individual
•
Filing: 1958-07-03
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Granted: 1959-04-14
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Expires: 1978-07-03
Abstract
No abstract record available.
Inventors
- 👤 Charles W Furness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:16
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/14; A61F2/148; A61F2/0095; A01; A01N; A01N1/00; A01N1/10; A01N1/14; A01N1/146; A61F2/142; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44744
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |