US2997413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal oxide flame spray stick
Assignee: Laboratory Equipment Corp
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Filing: 1960-11-15
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Granted: 1961-08-22
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Expires: 1980-11-15
Abstract
No abstract record available.
Inventors
- 👤 Harold C Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:03
CPC Classifications
C; C23; C23C; C23C24/00; C04; C04B; C04B35/00; C04B35/66; F; F16; F16J; F16J1/00; F16J1/02; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/131; Y10T428/1314; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T428/2975; Y10T428/298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A FINE GRAINED, DENSE, AND PHYSICALLY STRONG, FLAME SPRAYING STICK ADAPTED FOR RAPID MELTING AND SPRAYING WITHOUT SPITTING, COMPRISED ESSENTIALLY OF SINTERED PARTICLES OF A REFRACTORY METAL OXIDE, SAID STICK HAVING THE FORM OF A LONG, THIN CYLINDER WITH A CENTRAL PASSAGE EXTENDING LONGITUDINALLY THERETHROUGH FROM END TO END, THE PASSAGE HAVING A DIAMETER LYING SUBSTANTIALLY WITHIN THE RANGE OF TWO ONE-HUNDREDTHS TO FOUR ONE-HUNDREDTHS OF AN INCH, THE EXTERNAL DIAMETER OF THE STICK LYING SUBSTANTIALLY WITHIN THE RANGE OF ONE-EIGHTH TO SUBSTANTIALLY ONE-FOURTH OF AN INCH, AND SUBSTANTIALLY ALL OF THE OXIDE PARTICLES IN THE STICK BEING NO LARGER THAN FIFTY MICRONS IN DIAMETER.
Claim 2
Dependent Claim
105 words
A FINE GRAINED, DENSE, AND PHYSICALLY STRONG, FLAME SPRAYING STICK ADAPTED FOR RAPID MELTING AND SPRAYING WITHOUT SPITTING, COMPRISED ESSENTIALLY OF SINTERED PARTICLES OF A REFRACTORY METAL OXIDE, SAID STICK HAVING THE FORM OF A LONG, THIN CYLINDER WITH A CENTRAL PASSAGE EXTENDING LONGITUDINALLY THERETHROUGH FROM END TO END, THE PASSAGE HAVING A DIAMETER LYING SUBSTANTIALLY WITHIN THE RANGE OF TWO ONE-HUNDREDTHS TO FOUR ONE-HUNDREDTHS OF AN INCH, THE EXTERNAL DIAMETER OF THE STICK LYING SUBSTANTIALLY WITHIN THE RANGE OF ONE-EIGHTH TO SUBSTANTIALLY ONE-FOURTH OF AN INCH, AND SUBSTANTIALLY ALL OF THE OXIDE PARTICLES IN THE STICK BEING NO LARGER THAN FIFTY MICRONS IN DIAMETER.
References Cited (Backward Citations)
US2707691A
Cited
US2963570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |