Patent US3390962A successfully refreshed from Google Patents.
US3390962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biochemical test plate
Assignee: NAT INSTR LAB Inc
•
Filing: 1965-09-01
•
Granted: 1968-07-02
•
Expires: 1985-09-01
Abstract
No abstract record available.
Inventors
- 👤 Goldsmith Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:59
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/558; Y; Y10; Y10S; Y10S436/00; Y10S436/807; Y10S436/809
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A BIOCHEMICAL TEST PLATE COMPRISING: A PLANAR TEMPLATE CONTAINING AN ORDERED PLURALITY OF SPACED APART APERTURES THERETHROUGH, SAID TEMPLATE HAVING A CENTRAL BOSS ON THE UNDERSIDE THEREOF; A MICROPOROUS FILM UNDERLYING SAID TEMPLATE AT THE CENTRAL BOSS THEREOF, AND ESSENTIALLY COEXTENSIVE WITH THE CENTRAL BOSS THEREON; A RESILIENT PAD ESSENTIALLY COEXTENSIVE WITH THE MICROPOROUS FILM; A BACK-UP PLATE CONTAINING A CENTRAL RECESS INTO WHICH SAID RESILIENT PAD AND SAID CENTRAL BOSS FIT, THE HEIGHT OF SAID PAD ABEING LESS THAN THE RECESS DEPTH; AND ATTACHMENT MEANS ASSOCIATED WITH THE MARGINAL EDGE PORTIONS OF THE BACKUP PLATE SURROUNDING SAID RECESS AND WITH THE MARGINAL EDGE PORTIONS OF THE TEMPLATE SURROUND THE BOSS FOR SECURING TOGETHER THE TEST PLATE, THE MICROPOROUS FILM THEN BEING UNDER A SUBSTANTIALLY UNIFROM STATE OF STRESS.
Claim 2
Dependent Claim
129 words
A BIOCHEMICAL TEST PLATE COMPRISING: A PLANAR TEMPLATE CONTAINING AN ORDERED PLURALITY OF SPACED APART APERTURES THERETHROUGH, SAID TEMPLATE HAVING A CENTRAL BOSS ON THE UNDERSIDE THEREOF; A MICROPOROUS FILM UNDERLYING SAID TEMPLATE AT THE CENTRAL BOSS THEREOF, AND ESSENTIALLY COEXTENSIVE WITH THE CENTRAL BOSS THEREON; A RESILIENT PAD ESSENTIALLY COEXTENSIVE WITH THE MICROPOROUS FILM; A BACK-UP PLATE CONTAINING A CENTRAL RECESS INTO WHICH SAID RESILIENT PAD AND SAID CENTRAL BOSS FIT, THE HEIGHT OF SAID PAD ABEING LESS THAN THE RECESS DEPTH; AND ATTACHMENT MEANS ASSOCIATED WITH THE MARGINAL EDGE PORTIONS OF THE BACKUP PLATE SURROUNDING SAID RECESS AND WITH THE MARGINAL EDGE PORTIONS OF THE TEMPLATE SURROUND THE BOSS FOR SECURING TOGETHER THE TEST PLATE, THE MICROPOROUS FILM THEN BEING UNDER A SUBSTANTIALLY UNIFROM STATE OF STRESS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |