Patent US2850366A successfully refreshed from Google Patents.
US2850366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filament supporting unit
Assignee: Oxy Catalyst Inc
•
Filing: 1955-06-07
•
Granted: 1958-09-02
•
Expires: 1975-06-07
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Houdry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:02
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/74; B01D53/86; B01D53/88; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01D2255/00; B01D2255/10; B01D2255/102; B01D2255/1021; B01D2255/20; B01D2255/209; B01D2255/2092; B01D2258/00; B01D2258/02; B01D2258/0275; B01D2258/0283; B01J2219/00; B01J2219/30; B01J2219/302; B01J2219/30257; B01J2219/304; B01J2219/30408; B01J2219/30475; B01J2219/30483
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A MULTI-FILAMENT CATALYTIC UNIT COMPRISING A PAIR OF FILAMENT SUPPORTING MEMBERS ARRANGED IN PARALLEL, SPACEDAPART RELATIONSHIP, ND SUPPORTED BETWEEN A PAIR OF PARALLEL SIDE MEMBERS, A CATALYTIC FILAMENT WRAPPED HELICALLY AROUND SAID FILAMENT SUPPORTING MEMBERS TO PROVIDE PLANES OF RELATIVELY CLOSELY SPACED CATALYTIC FILAMENTS, SPACER MEMBERS MOUNTED ON SAID FILAMENT SUPPORTING MEMBERS AND A SECOND LENGTH OF CATALYTIC FILAMENT WRAPPED HELICALLY AROUND SAID SPACER MEMBERS TO PROVIDE ADDITIONAL PLANES OF CLOSELY SPACED CATALYTIC FILAMENTS, SAID SPACER MEMBERS BEING HELD IN PLACE AGAINST AND IN SNUG ENGAGEMENT WITH SAID FILAMENT SUPPORTING MEMBERS BY MEANS OF SAID SECOND LENGTH OF CATALYTIC FILAMENT.
Claim 2
Dependent Claim
100 words
A MULTI-FILAMENT CATALYTIC UNIT COMPRISING A PAIR OF FILAMENT SUPPORTING MEMBERS ARRANGED IN PARALLEL, SPACEDAPART RELATIONSHIP, ND SUPPORTED BETWEEN A PAIR OF PARALLEL SIDE MEMBERS, A CATALYTIC FILAMENT WRAPPED HELICALLY AROUND SAID FILAMENT SUPPORTING MEMBERS TO PROVIDE PLANES OF RELATIVELY CLOSELY SPACED CATALYTIC FILAMENTS, SPACER MEMBERS MOUNTED ON SAID FILAMENT SUPPORTING MEMBERS AND A SECOND LENGTH OF CATALYTIC FILAMENT WRAPPED HELICALLY AROUND SAID SPACER MEMBERS TO PROVIDE ADDITIONAL PLANES OF CLOSELY SPACED CATALYTIC FILAMENTS, SAID SPACER MEMBERS BEING HELD IN PLACE AGAINST AND IN SNUG ENGAGEMENT WITH SAID FILAMENT SUPPORTING MEMBERS BY MEANS OF SAID SECOND LENGTH OF CATALYTIC FILAMENT.
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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |