Patent US4155365A successfully refreshed from Google Patents.
Patent US3939834A successfully refreshed from Google Patents.
US3939834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal coated articles
Assignee: Individual
•
Filing: 1974-09-24
•
Granted: 1976-02-24
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Expires: 1994-09-24
Abstract
Abstract A transparent container is provided which is coated on the interior surface with a coherent barrier layer of metal. Stainless steel is a preferred barrier coating for glass equipment adapted to contain biological media.
Inventors
- 👤 Patrick J. McMahon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:56
CPC Classifications
A; A61; A61J; A61J1/00
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
40 words
A container for biological media comprising a transparent or translucent receptacle having the interior surface coated with a coherent light transmitting barrier layer of metal selected from stainless steel, chromium, gold, nickel, platinum, palladium, vanadium, cadmium, tin, tantalum and tungsten.
Claim 2
Dependent Claim
40 words
A container for biological media comprising a transparent or translucent receptacle having the interior surface coated with a coherent light transmitting barrier layer of metal selected from stainless steel, chromium, gold, nickel, platinum, palladium, vanadium, cadmium, tin, tantalum and tungsten.
Claim 3
Dependent Claim
41 words
A container for biological media which is sufficiently light transmitting for viewing container contents and which has a coherent barrier layer of metal coated on the interior surface, wherein said metal coating is selected from stainless steel, chromium, gold and nickel.
Claim 4
Dependent Claim
41 words
A container for biological media which is sufficiently light transmitting for viewing container contents and which has a coherent barrier layer of metal coated on the interior surface, wherein said metal coating is selected from stainless steel, chromium, gold and nickel.
Claim 5
Dependent Claim
29 words
A transparent or translucent receptacle for containing biological fluids which comprises a hollow glass vessel having the interior surface coated with a coherent light transmitting barrier of stainless steel.
Claim 6
Dependent Claim
29 words
A transparent or translucent receptacle for containing biological fluids which comprises a hollow glass vessel having the interior surface coated with a coherent light transmitting barrier of stainless steel.
Claim 7
Dependent Claim
22 words
A glass receptacle in accordance with claim 3 wherein the stainless steel coating is between about 300 and 600 angstroms in thickness.
Claim 8
Dependent Claim
15 words
A glass receptacle in accordance with claim 4 wherein the receptacle is a test tube.
Claim 9
Dependent Claim
15 words
A glass receptacle in accordance with claim 4 wherein the receptacle is an erlenmeyer flask.
Claim 10
Dependent Claim
14 words
A glass receptacle in accordance with claim 4 wherein the receptacle is a breaker.
Claim 11
Dependent Claim
15 words
A glass receptacle in accordance with claim 4 wherein the receptacle is a petri dish.
Claim 12
Dependent Claim
15 words
A glass receptacle in accordance with claim 4 wherein the receptacle is a centrifuge tube.
Claim 13
Dependent Claim
15 words
A glass receptacle in accordance with claim 4 wherein the receptacle is a sealable vial.
Claim 14
Dependent Claim
14 words
A glass receptacle in accordance with claim 4 wherein the receptacle is a pipette.
Claim 15
Dependent Claim
34 words
A transparent or translucent container for biological fluids having a coherent light transmitting barrier coating of metal on the interior surface, wherein the metal coating is deposited on the surface by a sputtering technique.
Claim 16
Dependent Claim
34 words
A transparent or translucent container for biological fluids having a coherent light transmitting barrier coating of metal on the interior surface, wherein the metal coating is deposited on the surface by a sputtering technique.
Claim 17
Dependent Claim
16 words
An article in accordance with claim 12 wherein the metal coating is inert to biological fluids.
Claim 18
Dependent Claim
14 words
An article in accordance with claim 12 wherein the metal coating is stainless steel.
Claim 19
Dependent Claim
13 words
An article in accordance with claim 12 wherein the metal coating is chromium.
Claim 20
Dependent Claim
13 words
An article in accordance with claim 12 wherein the metal coating is gold.
Claim 21
Dependent Claim
13 words
An article in accordance with claim 12 wherein the metal coating is nickel.
References Cited (Backward Citations)
US2643021A
Cited
US2622598A
Cited
US2825687A
Cited
US3779891A
Cited
US3833410A
Cited
US3793167A
Cited
US3828960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-02-23 | 1979-08-25 | 1980-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-23 | 1983-08-25 | 1984-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-23 | 1987-08-25 | 1988-02-24 | $7700.00 | Window Closed / Lapsed |