US3390572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension for tonometer probe
Assignee: Berkeley Tonometer Co
•
Filing: 1965-04-16
•
Granted: 1968-07-02
•
Expires: 1985-04-16
Abstract
No abstract record available.
Inventors
- 👤 William C Murr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:03
CPC Classifications
A; A61; A61B; A61B3/00; A61B3/10; A61B3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2754435A
Cited
US2767973A
Cited
US3150521A
Cited
US3192765A
Cited
US3184960A
Cited
US3272001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |