US3764796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical lighting device
Assignee: United States Department of the Navy
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Filing: 1972-10-05
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Granted: 1973-10-09
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Expires: 1992-10-05
Abstract
Abstract A chemical lighting device having an outer cylindrical sleeve of light transmitting material and first and second frangible ampoules positioned within said outer cylindrical sleeve. Indentions are provided in the outer cylindrical sleeve for keeping the ampoules separated in the cylindrical sleeve. One ampoule contains a chemiluminescent material and the other ampoule contains an activator material. The ampoules can be broken by bending the outer cylindrical sleeve and light is obtained when the chemiluminescent material and activator are mixed.
Inventors
- 👤 C Gilliam
- 👤 T Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:28
CPC Classifications
F; F21; F21K; F21K2/00; F21K2/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
93 words
A chemiluminescent light device comprising, an outer cylindrical sleeve of light transmitting material having flat end portions and first and second reduced diameter portions between said flat end portions, first and second frangible ampoules positioned in said outer cylindrical sleeve, one of said ampoules being positioned between one flat end portion and said first reduced diameter portion and the other of said ampoules being positioned between the other flat end portion and said second reduced diameter portion, a chemiluminescent fluid in said one frangible ampoule, and activator fluid in said other frangible ampoule.
Claim 2
Dependent Claim
93 words
A chemiluminescent light device comprising, an outer cylindrical sleeve of light transmitting material having flat end portions and first and second reduced diameter portions between said flat end portions, first and second frangible ampoules positioned in said outer cylindrical sleeve, one of said ampoules being positioned between one flat end portion and said first reduced diameter portion and the other of said ampoules being positioned between the other flat end portion and said second reduced diameter portion, a chemiluminescent fluid in said one frangible ampoule, and activator fluid in said other frangible ampoule.
Claim 3
Dependent Claim
16 words
A chemiluminescent light device as set forth in claim 1 wherein said frangible ampoules are glass.
Claim 4
Dependent Claim
21 words
A chemiluminescent light device as set forth in claim 1 wherein said frangible ampoules have a neck portion to facilitate breakage.
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) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |