US2982699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assaying process
Assignee: Pharmacia and Upjohn Co
•
Filing: 1959-02-05
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Granted: 1961-05-02
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Expires: 1979-02-05
Abstract
No abstract record available.
Inventors
- 👤 Le Roy E Johnson
- 👤 Chester C Sperry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:03
CPC Classifications
C; C12; C12M; C12M23/00; C12M23/02; C12M23/12; C12Q; C12Q1/00; C12Q1/02; C12Q1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A PROCESS FOR DETERMINING THE GROWTH-AFFECTING POTENCY OF A PLURALITY OF LIQUID MEDIA WITH RESPECT TO A SELECTED TEST ORGANISM, COMPRISING THE STEPS: ARRANGING SAID LIQUID MEDIA IN A PLURALITY OF SEPARATE CONTAINERS, SIMULTANEOUSLY TRANSFERRING QUANTITIES OF SAID LIQUID MEDIA FROM SAID CONTAINERS TO SEPARATE AREAS OF TRANSFER MEDIA, SEPARATING SELECTED AREAS OF SAID TRANSFER MEDIA CONTAINING SUBSTANTIALLY EQUAL AND UNIFORM AMOUNTS OF SAID LIQUID MEDIA FROM EACH OTHER AND FROM THE OTHER PORTIONS OF SAID TRANSFER MEDIA, DEPOSITING SAID AREAS IN A PREDETERMINED PATTERN ON A SOLID SUBSTRATE SEEDED WITH SAID TEST ORGANISM AND THEN SUBJECTING SAID SOLID SUBSTRATE TO CONDITIONS FAVORABLE TO THE GROWTH OF SAID TEST ORGANISM WHILE SAID AREAS REMAIN IN CONTACT WITH SAID SUBSTRATE.
Claim 2
Dependent Claim
119 words
A PROCESS FOR DETERMINING THE GROWTH-AFFECTING POTENCY OF A PLURALITY OF LIQUID MEDIA WITH RESPECT TO A SELECTED TEST ORGANISM, COMPRISING THE STEPS: ARRANGING SAID LIQUID MEDIA IN A PLURALITY OF SEPARATE CONTAINERS, SIMULTANEOUSLY TRANSFERRING QUANTITIES OF SAID LIQUID MEDIA FROM SAID CONTAINERS TO SEPARATE AREAS OF TRANSFER MEDIA, SEPARATING SELECTED AREAS OF SAID TRANSFER MEDIA CONTAINING SUBSTANTIALLY EQUAL AND UNIFORM AMOUNTS OF SAID LIQUID MEDIA FROM EACH OTHER AND FROM THE OTHER PORTIONS OF SAID TRANSFER MEDIA, DEPOSITING SAID AREAS IN A PREDETERMINED PATTERN ON A SOLID SUBSTRATE SEEDED WITH SAID TEST ORGANISM AND THEN SUBJECTING SAID SOLID SUBSTRATE TO CONDITIONS FAVORABLE TO THE GROWTH OF SAID TEST ORGANISM WHILE SAID AREAS REMAIN IN CONTACT WITH SAID SUBSTRATE.
References Cited (Backward Citations)
USRE24557E
Cited
US2771399A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |