Patent US2551574A successfully refreshed from Google Patents.
US2551574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clored flame candle and the method of making the same
Assignee: Individual
•
Filing: 1946-12-14
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Granted: 1951-05-08
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Expires: 1966-12-14
Abstract
No abstract record available.
Inventors
- 👤 William M Fredericks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:55
CPC Classifications
C; C11; C11C; C11C5/00; C11C5/002; C11C5/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A COLORED FLAME CANDLE CONTAINING APPROXIMATE VOLUMES OF ONE TO THREE PARTS OF A FLAMECOLORING METAL PERCHLORATE, FOUR PARTS OF AN ETHANOLAMINE, AND FIVE TO TEN PARTS OF A CANDLE ABODY-MATERIAL FORMING A HOMOGENEOUS MASS.
Claim 2
Dependent Claim
35 words
A COLORED FLAME CANDLE CONTAINING APPROXIMATE VOLUMES OF ONE TO THREE PARTS OF A FLAMECOLORING METAL PERCHLORATE, FOUR PARTS OF AN ETHANOLAMINE, AND FIVE TO TEN PARTS OF A CANDLE ABODY-MATERIAL FORMING A HOMOGENEOUS MASS.
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) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |