Patent US3546643A successfully refreshed from Google Patents.
US3546643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pad for surgical instruments or the like
Assignee: CATHERINE A VIROSTEK
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Filing: 1969-01-16
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Granted: 1970-12-08
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Expires: 1989-01-16
Abstract
No abstract record available.
Inventors
- 👤 Catherine A Virostek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:19
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/02; H01F7/0205; H01F7/021; H01F7/0215; A; A61; A61B; A61B50/00; A61B50/20; A61B2050/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3483494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |