US3044461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Procto-sigmoidoscope
Assignee: Individual
•
Filing: 1960-01-21
•
Granted: 1962-07-17
•
Expires: 1980-01-21
Abstract
No abstract record available.
Inventors
- 👤 Murdock Barbara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:38
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/32; A61B1/31; A61B1/012; A61B1/018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US52014A
Cited
US58709A
Cited
US218055A
Cited
US1453975A
Cited
US1624716A
Cited
US1959127A
Cited
US2922415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |