US3481689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for disinfecting medical instruments and apparatus
Assignee: CARL GUNNAR DANIEL ENGSTROM
•
Filing: 1966-11-10
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Granted: 1969-12-02
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Expires: 1986-11-10
Abstract
No abstract record available.
Inventors
- 👤 Karl-Gustaf Engelbrekt Rosdahl
- 👤 Carl-Gunnar Daniel Engstrom
- 👤 Paul Herzog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:35
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/16; A61L2/20; A61B; A61B50/00; A61L2/02; A61L2/025; A61L2/22; A61L9/00; A61L9/14; C; C09; C09K; C09K3/00; C09K3/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1675123A
Cited
US2122853A
Cited
US2119837A
Cited
US2537833A
Cited
US3281269A
Cited
US3401060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |