US2887456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal catalyst packs
Assignee: Bristol Siddeley Engines Ltd
•
Filing: 1956-06-26
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Granted: 1959-05-19
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Expires: 1976-06-26
Abstract
No abstract record available.
Inventors
- 👤 Bentley Alfred Hardy
- 👤 Bulman George Purvis
- 👤 Bentley John Hardy
- 👤 Cleaver Arthur Valentine
- 👤 Preece George Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:27
CPC Classifications
B; B01; B01J; B01J35/00; B01J35/50; B01J35/56; B21; B21D; B21D13/00; Y; Y10; Y10S; Y10S165/00; Y10S165/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METAL CATALYST PACK THROUGH WHICH CAN BE PASSED A FLUID TO BE SUBJECTED TO CATALYTIC ACTION, COMPRISING A PLURALITY OF ROWS OF TRANSVERSELY CORRUGATED THIN STRIPS COMPRISING CATALYST METAL AT LEAST ON THE SURFACE, A PLUALITY OF PLAIN STRIPS INTERPOSED BETWEEN SAID CORRUGATED STRIPS, ALL SAID STRIPS BEING ARRANGED EDGE-ON TO THE FLOW OF FLUID, THE CORRUGATIONS OF SAID CORRUGATED STRIPS BEING LATERALLY DISTORTED IN THE FORM OF CHEVRONS EXTENDING ACROSS THE WIDTH OF SAID CORRUGATED STRIPS TO PROMOTE TURBULENCE IN THE FLOW OF FLUID AND CONTACT OF EVERY PORTION THEREOF WITH CATALYST METAL.
Claim 2
Dependent Claim
95 words
A METAL CATALYST PACK THROUGH WHICH CAN BE PASSED A FLUID TO BE SUBJECTED TO CATALYTIC ACTION, COMPRISING A PLURALITY OF ROWS OF TRANSVERSELY CORRUGATED THIN STRIPS COMPRISING CATALYST METAL AT LEAST ON THE SURFACE, A PLUALITY OF PLAIN STRIPS INTERPOSED BETWEEN SAID CORRUGATED STRIPS, ALL SAID STRIPS BEING ARRANGED EDGE-ON TO THE FLOW OF FLUID, THE CORRUGATIONS OF SAID CORRUGATED STRIPS BEING LATERALLY DISTORTED IN THE FORM OF CHEVRONS EXTENDING ACROSS THE WIDTH OF SAID CORRUGATED STRIPS TO PROMOTE TURBULENCE IN THE FLOW OF FLUID AND CONTACT OF EVERY PORTION THEREOF WITH CATALYST METAL.
References Cited (Backward Citations)
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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) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |