US3228857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for separating petri dishes
Assignee: Ames Lab-Tek Inc
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Filing: 1962-11-20
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Granted: 1966-01-11
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Expires: 1982-11-20
Abstract
No abstract record available.
Inventors
- 👤 James B Mccormick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:14
CPC Classifications
C; C12; C12M; C12M23/00; C12M23/02; C12M23/10; C12M23/48; Y; Y10; Y10S; Y10S206/00; Y10S206/821
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
110 words
IN COMBINATION, A PETRI FOR RECEIVING GOODS, A COVER FOR SAID DISH ADAPTED TO SUBSTANTIALLY SEAL SAID DISH FROM THE ATMOSPHERE, AND A DEVICE INTERPOSED BETWEEN SAID DISH AND COVER TO SPACE SAID COVER FROM SAID DISH AND FACILITATE THE COOLING OF THE CONTENTS OF THE DISH, SAID DEVICE COMPRISING A PLANAR BODY PORTION FORMED FROM AT LEAST THREE SIDE MEMBERS INTERCONNECTED AT THEIR ENDS, FLANGES CONNECTED TO SAID BODY AT THE POINTS OF INTERSECTION OF SAID MEMBERS, SAID FLANGES EXTENDING ABOVE AND BELOW SAID BODY IN A DIRECTION GENERALLY NORMAL THERETO, AND A TAB CARRIED BY AT LEAST ONE OF SAID FLANGES ADAPTED TO BE GRASPED BY THE FINGERS.
Claim 2
Dependent Claim
110 words
IN COMBINATION, A PETRI FOR RECEIVING GOODS, A COVER FOR SAID DISH ADAPTED TO SUBSTANTIALLY SEAL SAID DISH FROM THE ATMOSPHERE, AND A DEVICE INTERPOSED BETWEEN SAID DISH AND COVER TO SPACE SAID COVER FROM SAID DISH AND FACILITATE THE COOLING OF THE CONTENTS OF THE DISH, SAID DEVICE COMPRISING A PLANAR BODY PORTION FORMED FROM AT LEAST THREE SIDE MEMBERS INTERCONNECTED AT THEIR ENDS, FLANGES CONNECTED TO SAID BODY AT THE POINTS OF INTERSECTION OF SAID MEMBERS, SAID FLANGES EXTENDING ABOVE AND BELOW SAID BODY IN A DIRECTION GENERALLY NORMAL THERETO, AND A TAB CARRIED BY AT LEAST ONE OF SAID FLANGES ADAPTED TO BE GRASPED BY THE FINGERS.
Claim 3
Independent Claim
44 words
A DEVICE-FOR USE IN SEPARATING AND ALIGNING A PETRI DISH AND COVER COMPRISING, A TRIANGULAR PLANAR BODY PORTION HAVING THREE ROD-LIKE SIDE MEMBERS OF EQUAL LENGTH RIGIDLY CONNECTED TO ONE ANOTHER AT THEIR EXTREMITIES, FLANGES INTEGRALLY CONNECTED TO SAID BODY AT THE POINTS OF
Claim 4
Independent Claim
44 words
A DEVICE-FOR USE IN SEPARATING AND ALIGNING A PETRI DISH AND COVER COMPRISING, A TRIANGULAR PLANAR BODY PORTION HAVING THREE ROD-LIKE SIDE MEMBERS OF EQUAL LENGTH RIGIDLY CONNECTED TO ONE ANOTHER AT THEIR EXTREMITIES, FLANGES INTEGRALLY CONNECTED TO SAID BODY AT THE POINTS OF
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |