US3248175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of compost
Assignee: Dunfix Ets
•
Filing: 1963-02-07
•
Granted: 1966-04-26
•
Expires: 1983-02-07
Abstract
No abstract record available.
Inventors
- 👤 Emmet Eleonore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:20
CPC Classifications
C; C12; C12M; C12M21/00; C12M21/16; C05; C05F; C05F17/00; C05F17/90; C12M27/00; C12M27/10; Y; Y02; Y02P; Y02P20/00; Y02P20/141; Y02P20/145; Y02W; Y02W30/00; Y02W30/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
APPARATUS FOR USE IN THE MANUFACTURE OF COMPOST FROM ORGANIC WASTE PRODUCTS, COMPRISING A DRUM, MEANS FOR ROTATING SAID DRUM ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, SAID DRUM HAVING AT LEAST ONE OPEINING FOR FILLING AND EMPTYING THE DRUM, A CLOSURE FOR SAID AT LEAST ONE OPENING, INLET MEANS INDEPENDENT OF THE ROTATION OF THE DRUM FOR ADMITTING WARM MOIST AIR INTO SAID DRUM AT A POINT ABOVE SAID DRUM AXIS, THE WALL OF SAID DRUM HAVING AN ANNULAR ROW OF AIR OUTLETS THEREIN DISPLACED FROM SAID AXIS, CLOSURE MEANS FOR SAID AIR OUTLETS, AND MEANS FOR SUCCESSIVELY OPENING SAID AIR OUTLET CLOSURE MEANS AS THE DRUM ROTATES WHEN SAID CLOSURE MEANS, DURING ROTATION OF THE DRUM, ARE ABOVE SAID AXIS.
Claim 2
Dependent Claim
120 words
APPARATUS FOR USE IN THE MANUFACTURE OF COMPOST FROM ORGANIC WASTE PRODUCTS, COMPRISING A DRUM, MEANS FOR ROTATING SAID DRUM ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, SAID DRUM HAVING AT LEAST ONE OPEINING FOR FILLING AND EMPTYING THE DRUM, A CLOSURE FOR SAID AT LEAST ONE OPENING, INLET MEANS INDEPENDENT OF THE ROTATION OF THE DRUM FOR ADMITTING WARM MOIST AIR INTO SAID DRUM AT A POINT ABOVE SAID DRUM AXIS, THE WALL OF SAID DRUM HAVING AN ANNULAR ROW OF AIR OUTLETS THEREIN DISPLACED FROM SAID AXIS, CLOSURE MEANS FOR SAID AIR OUTLETS, AND MEANS FOR SUCCESSIVELY OPENING SAID AIR OUTLET CLOSURE MEANS AS THE DRUM ROTATES WHEN SAID CLOSURE MEANS, DURING ROTATION OF THE DRUM, ARE ABOVE SAID AXIS.
References Cited (Backward Citations)
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |