Patent US3353301A successfully refreshed from Google Patents.
US3353301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal breaker strip
Assignee: GLENCO REFRIGERATION CORP
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Filing: 1965-02-08
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Granted: 1967-11-21
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 Jerome P Heilweil
- 👤 Albert E Schweizer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:51
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/04; F25D23/00; F25D23/08; F25D23/082; F25D23/085; F25D2400/00; F25D2400/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
A THERMAL BREAKER STRIP FOR USE BETWEEN A CABINET WALL HAVING A SURFACE DEFINING AN OPENING LEADING INTO A TEMPERATURE-CONDITIONED CABINET AND A DOOR FOR CLOSING SAID OPENING, SAID STRIP INCLUDING A FIRST, GENERALLY FLAT WALL SECURED TO THE SURFACE OF SAID CABINET WALL, A FIRST TUBULAR STRUCTURE CARRIED BY A PORTION OF SAID FIRST WALL AND PROVIDING A DEAD AIR SPACE OVERLYING A PORTION OF THE SURFACE OF SAID SURFACE OF SAID CABINET WALL ADJACENT ONE EDGE THEREOF, A CHANNEL FORMED ON A SECOND PORTION OF SAID FIRST WALL NEAR THE OTHER EDGE OF SAID SURFACE, A FLANGE CARRIED BY SAID FIRST WALL BEYOND SAID CHANNEL AND ENGAGING AN ADJACENT SIDE OF SAID CABINET WALL, AND A SECOND WALL HAVING A FIRST SECTION WHICH ABUTS SAID FIRST TUBULAR STRUCTURE, A SECOND SECTION OVERLYING AND SPACED FROM THE SAID SECOND PORTION OF SAID FIRST WALL, AND A THIRD SECTION SUBSTANTIALLY NORMAL TO SAID SECOND SECTION AND HAVING A FREE FACE EDGE ENGAGEABLE IN SAID CHANNEL, SAID SECOND SECTION, THE ADJACENT WALL OF SAID FIRT TUBULAR STRUCTURE AND SAID THIRD SECTION COACTING TO FORM A SECOND TUBULAR STRUCTURE OVERLYING SAID SECOND PORTION OF SAID FIRST WALL.
Claim 2
Dependent Claim
195 words
A THERMAL BREAKER STRIP FOR USE BETWEEN A CABINET WALL HAVING A SURFACE DEFINING AN OPENING LEADING INTO A TEMPERATURE-CONDITIONED CABINET AND A DOOR FOR CLOSING SAID OPENING, SAID STRIP INCLUDING A FIRST, GENERALLY FLAT WALL SECURED TO THE SURFACE OF SAID CABINET WALL, A FIRST TUBULAR STRUCTURE CARRIED BY A PORTION OF SAID FIRST WALL AND PROVIDING A DEAD AIR SPACE OVERLYING A PORTION OF THE SURFACE OF SAID SURFACE OF SAID CABINET WALL ADJACENT ONE EDGE THEREOF, A CHANNEL FORMED ON A SECOND PORTION OF SAID FIRST WALL NEAR THE OTHER EDGE OF SAID SURFACE, A FLANGE CARRIED BY SAID FIRST WALL BEYOND SAID CHANNEL AND ENGAGING AN ADJACENT SIDE OF SAID CABINET WALL, AND A SECOND WALL HAVING A FIRST SECTION WHICH ABUTS SAID FIRST TUBULAR STRUCTURE, A SECOND SECTION OVERLYING AND SPACED FROM THE SAID SECOND PORTION OF SAID FIRST WALL, AND A THIRD SECTION SUBSTANTIALLY NORMAL TO SAID SECOND SECTION AND HAVING A FREE FACE EDGE ENGAGEABLE IN SAID CHANNEL, SAID SECOND SECTION, THE ADJACENT WALL OF SAID FIRT TUBULAR STRUCTURE AND SAID THIRD SECTION COACTING TO FORM A SECOND TUBULAR STRUCTURE OVERLYING SAID SECOND PORTION OF SAID FIRST WALL.
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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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |