US2853368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filament support
Assignee: Oxy Catalyst Inc
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Filing: 1954-06-10
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Granted: 1958-09-23
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Expires: 1974-06-10
Abstract
No abstract record available.
Inventors
- 👤 Wilfred M Adey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:53
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/06; F23G7/07; B; B01; B01J; B01J35/00; B01J35/30; B01J35/391; B01J35/395; B01J35/34; B01J35/36; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A CATALYTIC UNIT COMPRISING A FRAME, A PAIR OF FILAMENT SUPPORTING MEMBERS MOUNTED WITHIN SAID FRAME IN PARALLEL SPACED-APART RELATIONSHIP, A PLURALITY OF CLOSELYSPACED PARALLEL STRANDS OF FILAMENT PROVIDING A SURFACE OF CATALYTIC MATERIAL EXTENDING BETWEEN AND SUPPORTED AT EACH END BY SAID FILAMENT SUPPORTING MEMBERS, ONE OF SAID FILAMENT SUPPORTING MEMBERS BEING MOVABLE IN SAID FRAME TOWARD AND AWAY FROM THE OTHER OF SAID MEMBERS, AND RESILIENT MEANS MOUNTED ON SAID FRAME FOR RESILIENTLY URGING SAID MOVABLE FILAMENT SUPPORTING MEMBER AWAY FROM THE OTHER OF SAID MEMBERS SO AS TO MAINTAIN THE STRANDS OF FILAMENT EXTENDING BETWEEN SAID FILAMENT SUPPORTING MEMMBERS IN A TAUT CONDITION DURING THERMAL EXPANSION AND CONTRACTION OF SAID FILAMENT STRANDS.
Claim 2
Dependent Claim
115 words
A CATALYTIC UNIT COMPRISING A FRAME, A PAIR OF FILAMENT SUPPORTING MEMBERS MOUNTED WITHIN SAID FRAME IN PARALLEL SPACED-APART RELATIONSHIP, A PLURALITY OF CLOSELYSPACED PARALLEL STRANDS OF FILAMENT PROVIDING A SURFACE OF CATALYTIC MATERIAL EXTENDING BETWEEN AND SUPPORTED AT EACH END BY SAID FILAMENT SUPPORTING MEMBERS, ONE OF SAID FILAMENT SUPPORTING MEMBERS BEING MOVABLE IN SAID FRAME TOWARD AND AWAY FROM THE OTHER OF SAID MEMBERS, AND RESILIENT MEANS MOUNTED ON SAID FRAME FOR RESILIENTLY URGING SAID MOVABLE FILAMENT SUPPORTING MEMBER AWAY FROM THE OTHER OF SAID MEMBERS SO AS TO MAINTAIN THE STRANDS OF FILAMENT EXTENDING BETWEEN SAID FILAMENT SUPPORTING MEMMBERS IN A TAUT CONDITION DURING THERMAL EXPANSION AND CONTRACTION OF SAID FILAMENT STRANDS.
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) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |