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Patent US2546115A successfully refreshed from Google Patents.
US2546115A
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Method for manufacturing incandescent mantles
Assignee: Aladdin Industries LLC
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Filing: 1949-04-22
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Granted: 1951-03-20
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Expires: 1969-04-22
Abstract
No abstract record available.
Inventors
- 👤 Ulmer William Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:38
CPC Classifications
F; F21; F21H; F21H3/00; D; D06; D06M; D06M13/00; D06M13/10; D06M13/12; D06M13/123; Y; Y10; Y10S; Y10S8/00; Y10S8/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
THE PROCESS OF MANUFACTURING INCANDESCENT MANTLES WHEREIN THE FIBERS OF CARBONIZABLE MATERIAL OF WHICH THE MANTLE IS FORMED IS TREATED WITH A COMPOSITION CONTAINING GLYOXAL FOR THE PURPOSE OF REDUCING SHRINKAGE UPON COMBUSTION.
Claim 2
Dependent Claim
33 words
THE PROCESS OF MANUFACTURING INCANDESCENT MANTLES WHEREIN THE FIBERS OF CARBONIZABLE MATERIAL OF WHICH THE MANTLE IS FORMED IS TREATED WITH A COMPOSITION CONTAINING GLYOXAL FOR THE PURPOSE OF REDUCING SHRINKAGE UPON COMBUSTION.
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) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |