US3360338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Johnson and Johnson
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Filing: 1964-12-24
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Granted: 1967-12-26
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Expires: 1984-12-24
Abstract
No abstract record available.
Inventors
- 👤 Martin I Edenbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:26
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/50; A; A61; A61L; A61L2/00; A61L2/26; A61L2/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN A STEAM STERILIZATION INDICATING DEVICE OF THE TYPE COMPRISING A BASE AND CONTAINING MARKINGS THEREON WHICH CHANGE COLOR WHEN EXPOSED TO THE CONDITIONS OF STEAM STERILIZATION, THE IMPROVEMENT COMPRISING: SAID MARKING COMPRISING A STEAM PERMEABLE CARRIER FILM CONTAINING AN INTIMATE MIXTURE OF SELENIUM DIMETHYLDITHIOCARBAMATE WITH AT LEAST ONE MATERIAL OF THE GROUP CONSISTING OF BISMUTH CITRATE, BISMUTH OXYCHLORIDE, BISMUTH SUBCARBONATE, BISMUTH SUBGALLATE, BISMUTH SUBSALICYLATE, BISMUTH TRIOXIDE, BISMUTH SUBNITRATE AND LEAD CHROMATE.
Claim 2
Dependent Claim
72 words
IN A STEAM STERILIZATION INDICATING DEVICE OF THE TYPE COMPRISING A BASE AND CONTAINING MARKINGS THEREON WHICH CHANGE COLOR WHEN EXPOSED TO THE CONDITIONS OF STEAM STERILIZATION, THE IMPROVEMENT COMPRISING: SAID MARKING COMPRISING A STEAM PERMEABLE CARRIER FILM CONTAINING AN INTIMATE MIXTURE OF SELENIUM DIMETHYLDITHIOCARBAMATE WITH AT LEAST ONE MATERIAL OF THE GROUP CONSISTING OF BISMUTH CITRATE, BISMUTH OXYCHLORIDE, BISMUTH SUBCARBONATE, BISMUTH SUBGALLATE, BISMUTH SUBSALICYLATE, BISMUTH TRIOXIDE, BISMUTH SUBNITRATE AND LEAD CHROMATE.
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |