US3186479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Labyrinth stiffener
Assignee: Motors Liquidation Co
•
Filing: 1962-12-18
•
Granted: 1965-06-01
•
Expires: 1982-12-18
Abstract
No abstract record available.
Inventors
- 👤 James R Mondt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:25
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F28D19/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN ANNULAR REGENERATOR MATRIX COMPRISING AN ANNULAR BODY DEFINING PASSAGES FOR THE FLOW OF FLUIDS TO ESTABLISH A TEMPERATURE GRADIENT BETWEEN THE OPPOSITE SIDES OF SAID BODY, SAID ANNULAR BODY INCLUDING SEALING PLATES SPACED AROUND THE MATRIX AND LYING IN PLANES EXTENDING ALONG THE LATTER, EACH OF SAID SEALING PLATES COMPRISING A SHEET WITH OPPOSITE MARGINAL PORTIONS EXTENDING FROM THE ANNULAR BODY FOR SEALING PURPOSES AND HAVING A LOW EFFECTIVE MOMENT OF INERTIA IN A PLANE NORMAL TO SAID OPPOSITE SIDES AND TRANSVERSE TO THE SHEET, TWO PARALLEL AND SPACED BARS OF MATERIAL THICKNESS THAN THAT OF THE SHEET AND EACH BEING FIXED TO THE LATTER A PREDETERMINED DISTANCE
Claim 2
Dependent Claim
109 words
AN ANNULAR REGENERATOR MATRIX COMPRISING AN ANNULAR BODY DEFINING PASSAGES FOR THE FLOW OF FLUIDS TO ESTABLISH A TEMPERATURE GRADIENT BETWEEN THE OPPOSITE SIDES OF SAID BODY, SAID ANNULAR BODY INCLUDING SEALING PLATES SPACED AROUND THE MATRIX AND LYING IN PLANES EXTENDING ALONG THE LATTER, EACH OF SAID SEALING PLATES COMPRISING A SHEET WITH OPPOSITE MARGINAL PORTIONS EXTENDING FROM THE ANNULAR BODY FOR SEALING PURPOSES AND HAVING A LOW EFFECTIVE MOMENT OF INERTIA IN A PLANE NORMAL TO SAID OPPOSITE SIDES AND TRANSVERSE TO THE SHEET, TWO PARALLEL AND SPACED BARS OF MATERIAL THICKNESS THAN THAT OF THE SHEET AND EACH BEING FIXED TO THE LATTER A PREDETERMINED DISTANCE
References Cited (Backward Citations)
US3088518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |