US3459180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: University of Strathclyde
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Filing: 1965-09-03
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Granted: 1969-08-05
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Donald S Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:16
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/74; A61B17/742; A61B17/746
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |