Patent US3170577A successfully refreshed from Google Patents.
US3170577A
Expired / Lapsed
US
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Fuel charging apparatus for large furnaces
Assignee: Individual
•
Filing: 1962-10-26
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Granted: 1965-02-23
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Expires: 1982-10-26
Abstract
No abstract record available.
Inventors
- 👤 Johannes Josef Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:50
CPC Classifications
F; F23; F23K; F23K3/00; F23G; F23G5/00; F23G5/44; F23G5/442; F23G5/444; F23K3/08; F23K2203/00; F23K2203/002; F23K2203/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
CHARGING APPARATUS FOR LARGE FURNACES, PARTICULARLY FOR BURNING REFUSE, COMPRISING AT LEAST TWO RELATIVELY MOVABLE SUPERIMPOSED RAMS, DRIVE MEANS FOR RECIPROCATINGLY MOVING ONE OF SAID RAMS, A CATCH RIGIDLY CONNECTED TO ONE OF SAID RAMS, AN ABUTMENT CONNECTED TO THE SECOND OF SAID RAMS, AND MEANS CONNECTED TO THE SECOND RAM AND TO SAID ABUTMENT FOR ADJUSTING THE POSITION OF SAID ABUTMENT RELA-
Claim 2
Dependent Claim
63 words
CHARGING APPARATUS FOR LARGE FURNACES, PARTICULARLY FOR BURNING REFUSE, COMPRISING AT LEAST TWO RELATIVELY MOVABLE SUPERIMPOSED RAMS, DRIVE MEANS FOR RECIPROCATINGLY MOVING ONE OF SAID RAMS, A CATCH RIGIDLY CONNECTED TO ONE OF SAID RAMS, AN ABUTMENT CONNECTED TO THE SECOND OF SAID RAMS, AND MEANS CONNECTED TO THE SECOND RAM AND TO SAID ABUTMENT FOR ADJUSTING THE POSITION OF SAID ABUTMENT RELA-
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |