US3769936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organism growth chamber and process
Assignee: Individual
•
Filing: 1971-08-09
•
Granted: 1973-11-06
•
Expires: 1991-08-09
Abstract
Abstract This disclosure deals with a novel organism growth chamber for such uses as the observation of Drosophila melanogaster genetic studies and the like embodying a flat transparent cover for a Petri-type dish provided with an externally communicating orifice that may be readily opened and closed for communication between the exterior and the interior of the covered dish without affecting the activity or observation within the same.
Inventors
- 👤 H Swanson
- 👤 G Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:27
CPC Classifications
A; A01; A01K; A01K67/00; A01K67/30; A01K67/34; A01K67/36; A01K67/362
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
88 words
An organism growth chamber having, in combination, an opentop transparent Petri-type dish having bOttom and side walls, a transparent lid for covering the dish having depending side walls external and corresponding to the dish side walls and spaced therefrom to define a channel therebetween, the lid having a small orifice for enabling communication between the interior and exterior of the covered dish, and tab means adhered upon the lid near the orifice and provided with means for detachably maintaining the tab means as a cover over the orifice.
Claim 2
Dependent Claim
88 words
An organism growth chamber having, in combination, an opentop transparent Petri-type dish having bOttom and side walls, a transparent lid for covering the dish having depending side walls external and corresponding to the dish side walls and spaced therefrom to define a channel therebetween, the lid having a small orifice for enabling communication between the interior and exterior of the covered dish, and tab means adhered upon the lid near the orifice and provided with means for detachably maintaining the tab means as a cover over the orifice.
Claim 3
Dependent Claim
68 words
An organism growth chamber as claimed in claim 1 and in which the said tab means comprises a resilient strip disposed along the inner wall of the lid and secured at a point thereof remote from the orifice such that downward pressure through the orifice enables the resilient depressing of the portion of the strip covering the orifice to permit external communication with the interior of the dish.
Claim 4
Dependent Claim
17 words
An organism growth chamber as claimed in claim 2 and in which said tab means is transparent.
Claim 5
Dependent Claim
28 words
An organism growth chamber as claimed in claim 2 and in which means is provided at the said side walls for detachably securing the lid to the dish.
Claim 6
Dependent Claim
34 words
An organism growth chamber as claimed in claim 4 and in which said securing means comprise notch means provided in the lid side walls and extending across said channel to the dish side walls.
Claim 7
Dependent Claim
75 words
A process for the manipulation and study of the growth of organisms such as Drosophila melanogaster and the like, that comprises, disposing a growth medium for the organisms in the base of flat-lid covered transparent chamber, inserting the organisms within the chamber, monitoring the growth through the lid, and opening a small orifice only in the lid to introduce substances into the chamber and closing the same while continuing the monitoring through the lid uninterrupted.
Claim 8
Dependent Claim
75 words
A process for the manipulation and study of the growth of organisms such as Drosophila melanogaster and the like, that comprises, disposing a growth medium for the organisms in the base of flat-lid covered transparent chamber, inserting the organisms within the chamber, monitoring the growth through the lid, and opening a small orifice only in the lid to introduce substances into the chamber and closing the same while continuing the monitoring through the lid uninterrupted.
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) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |