US3044861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regenerative apparatus
Assignee: Carbonic Development Corp
•
Filing: 1958-02-27
•
Granted: 1962-07-17
•
Expires: 1978-02-27
Abstract
No abstract record available.
Inventors
- 👤 Blanche K Hasche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:17
CPC Classifications
F; F23; F23J; F23J15/00; C; C10; C10G; C10G9/00; C10G9/34; C10G9/36; C10G9/38; F23G; F23G7/00; F23G7/06; F28; F28D; F28D17/00; F28D17/02; Y; Y10; Y10S; Y10S165/00; Y10S165/905; Y10S585/00; Y10S585/919; Y10S585/921; Y10S585/924; Y10S585/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A FURNACE COMPRISING A HEAT INSULATED OUTER SHELL, TWO REGENERATIVE MASSES HAVING UNINTERRUPTED FLUES THERETHROUGH, SAID REGENERATIVE MASSES BEING POSITIONED IN SIDEBY-SIDE RELATIONSHIP, A PARTITION DIVIDING SAID REGENRATIVE MASSES, EACH OF SAID REGENERATIVE MASSES BEING PROVIDED WITH A FREE SPACE IN COMMUNICATION WITH ONE EXTREMITY OF SAID FLUE, A COMBUSTION ZONE COMMUNICATING BETWEEN THE EXTREMITIES OF THE FLUES OF EACH OF SAID REGENERATIVE MASSES OPPOSITE SAID FREE SPACES, HEATING MEANS IN ASSOCIATION WITH SAID COMBUSTION ZONE, MEANS ASSOCAITED WITH EACH OF SAID FREE SPACES FOR THE ADMISSION AND DISCHARGE OF A GAS THEREFROM, MEANS ASSOCIATED WITH SAID ADMISSION AND DISCHARGE MEANS FOR FORCING A GAS INTO AND THROUGH THE FLUES OF ONE REGENERATIVE MASS, THROUGHT THE COMBUSION ZONE, AND THEN THROUGH THE GAS PASSAGEWAYS OF THE OTHER REGENERATIVE MASS, AND MEANS FOR REVERSING THE DIRECTION OF THE FLOW OF GAS, SAID REGENERATIVE MASSES BEING FROM ABOUT FOUR TO ABOUT FIFTEEN FEET IN LENGHT, THE MAXIMUM CROSS-SECTIONAL DIMENSION OF SAID FLUES BEING FROM
Claim 2
Dependent Claim
162 words
A FURNACE COMPRISING A HEAT INSULATED OUTER SHELL, TWO REGENERATIVE MASSES HAVING UNINTERRUPTED FLUES THERETHROUGH, SAID REGENERATIVE MASSES BEING POSITIONED IN SIDEBY-SIDE RELATIONSHIP, A PARTITION DIVIDING SAID REGENRATIVE MASSES, EACH OF SAID REGENERATIVE MASSES BEING PROVIDED WITH A FREE SPACE IN COMMUNICATION WITH ONE EXTREMITY OF SAID FLUE, A COMBUSTION ZONE COMMUNICATING BETWEEN THE EXTREMITIES OF THE FLUES OF EACH OF SAID REGENERATIVE MASSES OPPOSITE SAID FREE SPACES, HEATING MEANS IN ASSOCIATION WITH SAID COMBUSTION ZONE, MEANS ASSOCAITED WITH EACH OF SAID FREE SPACES FOR THE ADMISSION AND DISCHARGE OF A GAS THEREFROM, MEANS ASSOCIATED WITH SAID ADMISSION AND DISCHARGE MEANS FOR FORCING A GAS INTO AND THROUGH THE FLUES OF ONE REGENERATIVE MASS, THROUGHT THE COMBUSION ZONE, AND THEN THROUGH THE GAS PASSAGEWAYS OF THE OTHER REGENERATIVE MASS, AND MEANS FOR REVERSING THE DIRECTION OF THE FLOW OF GAS, SAID REGENERATIVE MASSES BEING FROM ABOUT FOUR TO ABOUT FIFTEEN FEET IN LENGHT, THE MAXIMUM CROSS-SECTIONAL DIMENSION OF SAID FLUES BEING FROM
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) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |