US2929603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corneal clamp
Assignee: Individual
•
Filing: 1958-07-03
•
Granted: 1960-03-22
•
Expires: 1978-07-03
Abstract
No abstract record available.
Inventors
- 👤 Gene A Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:39
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/14; A61F2/142; A61F2/0095; A61F2/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US378449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |