US2854384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for sterilizer tests and control
Assignee: Individual
•
Filing: 1956-09-17
•
Granted: 1958-09-30
•
Expires: 1976-09-17
Abstract
No abstract record available.
Inventors
- 👤 John W Beakley
- 👤 Willard W Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:05
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/02; C12Q1/22; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/832; Y10S435/839; Y10S435/842
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN APPARATUS FOR TESTING STERILIZATION OF OBJECTS BY HEAT, A SEALED AMPULE TUBE ADAPTED TO BE PLACED WITH OBJECTS TO BE STERILIZED IN A STERILIZING OVEN, SAID TUBE CONTAINING A CLEAR FLUID CULTURE MEDIA, A CLEAR MEDIA CONTAINING LIVE MICRO-ORGANISMS, AND A PLUG OF A SUBSTANCE MELTABLE AT THE TEMPERATURE OF STERILIZATION NORMALLY SEPARATING SAID FLUID AND MEDIA, AND DISPOSED SO THAT WHEN MELTED SAID FLUID AND MEDIA WILL MIX.
Claim 2
Dependent Claim
70 words
IN APPARATUS FOR TESTING STERILIZATION OF OBJECTS BY HEAT, A SEALED AMPULE TUBE ADAPTED TO BE PLACED WITH OBJECTS TO BE STERILIZED IN A STERILIZING OVEN, SAID TUBE CONTAINING A CLEAR FLUID CULTURE MEDIA, A CLEAR MEDIA CONTAINING LIVE MICRO-ORGANISMS, AND A PLUG OF A SUBSTANCE MELTABLE AT THE TEMPERATURE OF STERILIZATION NORMALLY SEPARATING SAID FLUID AND MEDIA, AND DISPOSED SO THAT WHEN MELTED SAID FLUID AND MEDIA WILL MIX.
References Cited (Backward Citations)
US2485566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |