US3335459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartridge heater constructions including extrusion dies
Assignee: Honeywell International Inc
•
Filing: 1965-02-12
•
Granted: 1967-08-15
•
Expires: 1985-02-12
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Tyrner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:54
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/78; B29C48/86; B29C48/03; B29C48/07; B29C48/08; B29C48/30; B29C48/305; B29C48/31; B29C48/313; B29C48/865
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
AN EXTRUSION DIE COMPRISING A DIE BLOCK HAVING AT LEAST ONE OPENING THEREIN FOR THE RECEPTION OF A CARTRIDGE HEATER, SAID OPENING BEING DIMENSIONED TO RECEIVE A CARTRIDGEE HEATER POSITIONED IN SAID OPENING, CARTRIDGE HEATER WITH A LOOSE FIT BETWEEN THE WALLS DEFINING THE OPENING AND THE WALLS OF SAID CARTRIDGE HEATER, SAID OPENING COMPRISING AT ONE END THEREOF A RESERVOIR CONTAINING A HEATCONDUCTING MATERIAL, WHICH MATERIAL IS IN THE SOLID PHASE AT AMBIENT TEMPERATURES AND IS MOLTEN AT THE OPERATING TEMPERATURES OF THE EXTRUSION DIE, WHEREBY WHEN SAID HEATER IS ENERGIZED SAID MATERIAL MELTS AND FILLS THE SPACE BETWEEN SAID HEATER AND THE WALLS OF THE OPENING IN WHICH
Claim 2
Dependent Claim
110 words
AN EXTRUSION DIE COMPRISING A DIE BLOCK HAVING AT LEAST ONE OPENING THEREIN FOR THE RECEPTION OF A CARTRIDGE HEATER, SAID OPENING BEING DIMENSIONED TO RECEIVE A CARTRIDGEE HEATER POSITIONED IN SAID OPENING, CARTRIDGE HEATER WITH A LOOSE FIT BETWEEN THE WALLS DEFINING THE OPENING AND THE WALLS OF SAID CARTRIDGE HEATER, SAID OPENING COMPRISING AT ONE END THEREOF A RESERVOIR CONTAINING A HEATCONDUCTING MATERIAL, WHICH MATERIAL IS IN THE SOLID PHASE AT AMBIENT TEMPERATURES AND IS MOLTEN AT THE OPERATING TEMPERATURES OF THE EXTRUSION DIE, WHEREBY WHEN SAID HEATER IS ENERGIZED SAID MATERIAL MELTS AND FILLS THE SPACE BETWEEN SAID HEATER AND THE WALLS OF THE OPENING IN WHICH
References Cited (Backward Citations)
US2367144A
Cited
US2462308A
Cited
US2597744A
Cited
US2778062A
Cited
US2743347A
Cited
US3088171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |