US3537812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gravity displacement sterilizer
Assignee: American Sterilizer Co
•
Filing: 1967-12-13
•
Granted: 1970-11-03
•
Expires: 1987-12-13
Abstract
No abstract record available.
Inventors
- 👤 Charles E Gallagher
- 👤 Donald A Gunther
- 👤 James H Patrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:07
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)
US678179A
Cited
US1352289A
Cited
US1902625A
Cited
US2208552A
Cited
US2451073A
Cited
US2683654A
Cited
US2965936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |