US3057345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duodenoscope
Assignee: Bausch and Lomb Inc
•
Filing: 1960-05-16
•
Granted: 1962-10-09
•
Expires: 1980-05-16
Abstract
No abstract record available.
Inventors
- 👤 John T Ferris
- 👤 Gilbert J Sheldon
- 👤 Samuel A Talbot
- 👤 Gustav A Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:00
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/273; A61B1/2736; A61B1/00064; A61B1/00071; A61B1/0008; A61B1/00082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1727495A
Cited
US2325831A
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DE526643C
Cited
US1922084A
Cited
GB548462A
Cited
GB593213A
Cited
US2548602A
Cited
US2877368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |