Patent US4417900A successfully refreshed from Google Patents.
US4417900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature solid fire starter
Assignee: Individual
•
Filing: 1982-02-18
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Granted: 1983-11-29
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Expires: 2002-02-18
Abstract
Abstract A solid fire starter which will provide a high temperature consisting of a mixture of hexamethylenetetramine, magnesium powder, an oxygen producing chemical, and a binder. The preferred proportion of magnesium to hexamethylenetetramine is about 2 to 3. The preferred oxygen-producing chemicals include tartaric acid and sodium nitrate. The preferred composition comprises 80 parts of magnesium powder, 120 parts of hexamethylenetetramine, 50 parts tartaric acid, 100 parts sodium nitrate, and 45 parts of wax.
Inventors
- 👤 Horst K. F. Barthel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:35
CPC Classifications
C; C10; C10L; C10L11/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
30 words
A high temperature solid fire starter comprising hexamethylenetetramine, magnesium powder, and oxygen producing chemical selected from the group consisting of tartaric acid, sodium nitrate and peroxide, and a wax binder.
Claim 2
Dependent Claim
30 words
A high temperature solid fire starter comprising hexamethylenetetramine, magnesium powder, and oxygen producing chemical selected from the group consisting of tartaric acid, sodium nitrate and peroxide, and a wax binder.
Claim 3
Dependent Claim
17 words
The composition of claim 1 wherein the proportion of magnesium to hexamethylenetetramine is approximately 2 to 3.
Claim 4
Dependent Claim
32 words
The composition of claim 1 wherein the proportions are about 80 parts of magnesium powder, 120 parts of hexamethylenetetramine, 150 parts of the oxygen producing chemical, and 45 parts of the binder.
Claim 5
Dependent Claim
29 words
A high temperature solid fire starter comprising, 80 parts of magnesium powder, 120 parts of hexamethylenetetramine, 50 parts tartaric acid, 100 parts sodium nitrate, and 45 parts of wax.
Claim 6
Dependent Claim
29 words
A high temperature solid fire starter comprising, 80 parts of magnesium powder, 120 parts of hexamethylenetetramine, 50 parts tartaric acid, 100 parts sodium nitrate, and 45 parts of wax.
Claim 7
Dependent Claim
28 words
A high temperature solid fire starter comprising, 10-120 parts of magnesium powder, 40-200 parts of mexamethylenetetramine, 50-150 parts tartaric acid, 100-350 parts sodium nitrate, and 40-165 parts benowax.
Claim 8
Dependent Claim
28 words
A high temperature solid fire starter comprising, 10-120 parts of magnesium powder, 40-200 parts of mexamethylenetetramine, 50-150 parts tartaric acid, 100-350 parts sodium nitrate, and 40-165 parts benowax.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-11-28 | 1987-05-30 | 1987-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-28 | 1991-05-30 | 1991-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-28 | 1995-05-30 | 1995-11-29 | $7700.00 | Window Closed / Lapsed |