US2767705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sigmoidoscope with suction attachment for immobilizing adjacent tissue
Assignee: Technical Oil Tool Corp
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Filing: 1954-10-08
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Granted: 1956-10-23
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Expires: 1974-10-08
Abstract
No abstract record available.
Inventors
- 👤 Alois E Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:36
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/00147; A61B1/00156; A61B1/00064; A61B1/00071; A61B1/0008; A61B1/00094; A61B1/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2704541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |