Patent US3232722A successfully refreshed from Google Patents.
US3232722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel log producing apparatus
Assignee: BC Research (Canada)
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Filing: 1961-10-16
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Granted: 1966-02-01
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Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Sanders Raymond John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:02
CPC Classifications
C; C10; C10L; C10L5/00; C10L5/40; C10L5/44; B; B30; B30B; B30B9/00; B30B9/02; B30B9/12; C10L5/02; C10L5/06; Y; Y02; Y02E; Y02E50/00; Y02E50/10; Y02E50/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
APPARATUS FOR PRODUCING FUEL LOGS FROM WET LIGNOCELLULOSIC MATERIAL IN PARTICULATE FORM, COMPRISING COAXIALLY ARRANGED FEED AND STATOR SLEEVES AND A TUBULAR DIE FORMING A CONTINUOUS PASSAGE, MEANS FOR ADMITTING PARTICULATE MATERIAL TO THE FEED SLEEVE, SAID STATOR SLEEVE HAVING AN OUTLET END NO SMALLER IN CROSS SECTION THAN THE DIE AND IN COMMUNICATION THEREWITH AND DIVERGES FROM SAID OUTLET END TO AN ENTRANCE END OF LARGER CROSS SECTION THAN SAID OUTLET END AND A DISCHARGE END OF THE FEED SLEEVE IN COMMUNICATION WITH SAID ENTRANCE END, A PLURALITY OF CIRCUMFERENTIALLY SPACED KEYS IN THE STATOR SLEEVE AND EXTENDING LONGITUDINALLY THEREOF, SAID KEYS HAVING INNER FACES EXTENDING SUBSTANTIALLY PARALLEL WITH A CENTRAL LONGITUDINAL AXIS OF SAID TUBULAR DIE, A LPARALLEL-SIDED FEED SCREW EXTENDING THROUGH THE FEED AND STATOR SLEEVES TO THE TUBU-
Claim 2
Dependent Claim
132 words
APPARATUS FOR PRODUCING FUEL LOGS FROM WET LIGNOCELLULOSIC MATERIAL IN PARTICULATE FORM, COMPRISING COAXIALLY ARRANGED FEED AND STATOR SLEEVES AND A TUBULAR DIE FORMING A CONTINUOUS PASSAGE, MEANS FOR ADMITTING PARTICULATE MATERIAL TO THE FEED SLEEVE, SAID STATOR SLEEVE HAVING AN OUTLET END NO SMALLER IN CROSS SECTION THAN THE DIE AND IN COMMUNICATION THEREWITH AND DIVERGES FROM SAID OUTLET END TO AN ENTRANCE END OF LARGER CROSS SECTION THAN SAID OUTLET END AND A DISCHARGE END OF THE FEED SLEEVE IN COMMUNICATION WITH SAID ENTRANCE END, A PLURALITY OF CIRCUMFERENTIALLY SPACED KEYS IN THE STATOR SLEEVE AND EXTENDING LONGITUDINALLY THEREOF, SAID KEYS HAVING INNER FACES EXTENDING SUBSTANTIALLY PARALLEL WITH A CENTRAL LONGITUDINAL AXIS OF SAID TUBULAR DIE, A LPARALLEL-SIDED FEED SCREW EXTENDING THROUGH THE FEED AND STATOR SLEEVES TO THE TUBU-
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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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |