US2735482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
tuttle
Assignee: —
•
Filing: —
•
Granted: 1956-02-21
•
Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:30
CPC Classifications
F; F23; F23D; F23D14/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
APPARATUS FOR MIXING GASEOUS REACTANTS WHICH COMPRISES A FLAT PLATE; A PLURALITY OF SPACED PARALLEL GROOVES IN ONE FACE OF SAID PLATE, SAID GROOVES EXTENDING FROM THE INTERIOR OF SAID PLATE TO ONE EDGE OF THE PLATE WITH ALTERNATE GROOVES EXTENDING BEYOND THE INNER ENDS OF THE REMAINING INTERMEDIATE GROOVES; A SECOND FLAT PLATE COEXTENSIVE WITH THE FIRST PLATE AND POSITIONED AGAINST THE GROOVED FACE OF SAID FIRST PLATE TO CLOSE SAID GROOVES AND FORM ELONGATED PARALLEL PASSAGEWAYS OPEN AT ONE EDGE OF SAID PLATES; A TRANSVERSE PASSAGEWAY IN SAID SECOND PLATE COINCIDING WITH THE LONGER GROOVES BEYONG THE INNER ENDS OF SAID SHORTER GROOVES TO SUPPLY A STREAM OF REACTANT GAS TO EACH OF SAID LONGER GROOVES; OPENINGS IN SAID FIRST PLATE ADJACENT THE INNER END OF EACH OF SAID SHORTER GROOVES; A CONDUIT FOR ONE OF SAID GASEOUS REACTANTS COMMUNICATING WITH EACH OF SAID OPENINGS ON THE SIDE OF SAID FIRST PLATE OPPOSITE SAID PARALLEL GROOVES; AND A SECOND CONDUIT FOR THE OTHER OF SAID GASEOUS REACTANTS COMMUNICATING WITH SAID TRANSVERSE PASSAGEWAY IN SAID SECOND PLATE.
Claim 2
Dependent Claim
178 words
APPARATUS FOR MIXING GASEOUS REACTANTS WHICH COMPRISES A FLAT PLATE; A PLURALITY OF SPACED PARALLEL GROOVES IN ONE FACE OF SAID PLATE, SAID GROOVES EXTENDING FROM THE INTERIOR OF SAID PLATE TO ONE EDGE OF THE PLATE WITH ALTERNATE GROOVES EXTENDING BEYOND THE INNER ENDS OF THE REMAINING INTERMEDIATE GROOVES; A SECOND FLAT PLATE COEXTENSIVE WITH THE FIRST PLATE AND POSITIONED AGAINST THE GROOVED FACE OF SAID FIRST PLATE TO CLOSE SAID GROOVES AND FORM ELONGATED PARALLEL PASSAGEWAYS OPEN AT ONE EDGE OF SAID PLATES; A TRANSVERSE PASSAGEWAY IN SAID SECOND PLATE COINCIDING WITH THE LONGER GROOVES BEYONG THE INNER ENDS OF SAID SHORTER GROOVES TO SUPPLY A STREAM OF REACTANT GAS TO EACH OF SAID LONGER GROOVES; OPENINGS IN SAID FIRST PLATE ADJACENT THE INNER END OF EACH OF SAID SHORTER GROOVES; A CONDUIT FOR ONE OF SAID GASEOUS REACTANTS COMMUNICATING WITH EACH OF SAID OPENINGS ON THE SIDE OF SAID FIRST PLATE OPPOSITE SAID PARALLEL GROOVES; AND A SECOND CONDUIT FOR THE OTHER OF SAID GASEOUS REACTANTS COMMUNICATING WITH SAID TRANSVERSE PASSAGEWAY IN SAID SECOND PLATE.
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) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |