US3049488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of conducting gaseous chemical reactions
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1960-01-11
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Granted: 1962-08-14
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Expires: 1980-01-11
Abstract
No abstract record available.
Inventors
- 👤 Jackson Kenneth
- 👤 Martin S Bloom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:20
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/32; H01J37/32009; H01J37/32082; H01J37/32091; B; B01; B01J; B01J19/00; B01J19/08; B01J19/087; B01J19/088; C; C01; C01B; C01B21/00; C01B21/082; C01B21/14; C01B21/1409; C01B21/1436; C01B21/16; C01B21/20; C01B21/203; C01C; C01C3/00; C01C3/02; C01C3/0208; C01C3/025; H01J37/32174; H01J65/00; H01J65/04; H01J65/042; H01J65/046; B01J2219/00; B01J2219/08; B01J2219/0803; B01J2219/085; B01J2219/0854; H01J2237/00; H01J2237/32; H01J2237/33; H01J2237/338; Y; Y10; Y10S; Y10S422/00; Y10S422/904; Y10S422/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
APPARATUS FOR CONDUCTING GASEOUS CHEMICAL REACTIONS COMPRISING A TUBE, GAS INLET MEANS LEADING INTO SAID TUBE PRODUCT OUTLET MEANS LEADING FROM SAID TUBE, SAID TUBE HAVING WALLS OF A MATERIAL WHICH OVER THE OPERATING RANGE HAS LOW ELECTRICAL CONDUCTIVITY, LOW DIELECTRIC LOSS AT RADIO FREQUENCY, GOOD HEAT TRANSFER, GOOD TRANSPARENCY TO RADIANT HEAT, AND RIGIDITY, A RE-ENTRANT COAXIAL RESONATOR, TWO CONDUCTORS EXTERNAL TO SAID TUBE AND OPERATIVELY CONNECTED
Claim 2
Dependent Claim
68 words
APPARATUS FOR CONDUCTING GASEOUS CHEMICAL REACTIONS COMPRISING A TUBE, GAS INLET MEANS LEADING INTO SAID TUBE PRODUCT OUTLET MEANS LEADING FROM SAID TUBE, SAID TUBE HAVING WALLS OF A MATERIAL WHICH OVER THE OPERATING RANGE HAS LOW ELECTRICAL CONDUCTIVITY, LOW DIELECTRIC LOSS AT RADIO FREQUENCY, GOOD HEAT TRANSFER, GOOD TRANSPARENCY TO RADIANT HEAT, AND RIGIDITY, A RE-ENTRANT COAXIAL RESONATOR, TWO CONDUCTORS EXTERNAL TO SAID TUBE AND OPERATIVELY CONNECTED
References Cited (Backward Citations)
GB191116636A
Cited
US1063760A
Cited
GB301930A
Cited
US2257177A
Cited
US2709192A
Cited
US2985573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |