Patent US3830749A successfully refreshed from Google Patents.
Patent US3489505A successfully refreshed from Google Patents.
US3489505A
Expired / Lapsed
US
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Sterilizing apparatus
Assignee: Individual
•
Filing: 1967-08-28
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Granted: 1970-01-13
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Expires: 1987-08-28
Abstract
No abstract record available.
Inventors
- 👤 Russell L Schumann
- 👤 Hugo Sonnenschein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:12
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/16; A61L2/20; A61L2/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2899266A
Cited
US1114880A
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US2134924A
Cited
US2122853A
Cited
US2007738A
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US2965936A
Cited
US3068064A
Cited
US3257161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |