US3098799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood treating apparatus and process
Assignee: —
•
Filing: —
•
Granted: 1963-07-23
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Expires: 1980-07-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:05
CPC Classifications
C; C10; C10B; C10B1/00; C10B1/02; C10B1/04; B; B27; B27K; B27K5/00; B27K5/001; F; F26; F26B; F26B2210/00; F26B2210/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN A DEVICE FOR THE DESTRUCTIVE DISTILLATION OF WOOD THE COMBINATION COMPRISING AN OVEN HAVING SIDEWALLS, END WALLS, AND BOTTOM AND TOP SURFACES, MOVABLE RACK MEANS WITHIN SAID OVEN HAVING SIDE WALLS, END WALLS AND A BOTTON PORTION FOR SUPPORTING A BATCH OF RAW WOOD, SAID BOTTOM PORTION INCLUDING GATE MEANS FOR DISCHARGING ING SPENT WOOD FROM SAID RACK, FUEL BURNING MEANS BENEATH SAID OVEN FOR PROVIDING HEAT TO SAID OVEN, COOLING MEANS BENEATH SAID OVEN FOR CONTROLLING THE TEMPERATURE OF SAID RACK BOTTOM PORTION AND SAID OVEN BOTTOM SURFACE, MEANS FOR CREATING A DOWNDRAFT THROUGH SAID RAW WOOD WHEREBY VAPORIZED PRODUCTS FROM SAID WOOD ARE CONDENSED ON SAID COOLED RACK BOTTOM PORTION, PIPE MEANS POSITIONED ALONG SAID RACK AND BETWEEN THE SIDE WALLS OF SAID RACK AND SAID OVEN FOR INJECTING STEAM AND SOLVENTS INTO SAID DOWNDRAFT, AND TROUGH MEANS ADJACENT SAID RACK BOTTOM PORTION FOR COLLECTING AND CONVEYING AWAY THE CONDENSED PRODUCTS.
Claim 2
Dependent Claim
154 words
IN A DEVICE FOR THE DESTRUCTIVE DISTILLATION OF WOOD THE COMBINATION COMPRISING AN OVEN HAVING SIDEWALLS, END WALLS, AND BOTTOM AND TOP SURFACES, MOVABLE RACK MEANS WITHIN SAID OVEN HAVING SIDE WALLS, END WALLS AND A BOTTON PORTION FOR SUPPORTING A BATCH OF RAW WOOD, SAID BOTTOM PORTION INCLUDING GATE MEANS FOR DISCHARGING ING SPENT WOOD FROM SAID RACK, FUEL BURNING MEANS BENEATH SAID OVEN FOR PROVIDING HEAT TO SAID OVEN, COOLING MEANS BENEATH SAID OVEN FOR CONTROLLING THE TEMPERATURE OF SAID RACK BOTTOM PORTION AND SAID OVEN BOTTOM SURFACE, MEANS FOR CREATING A DOWNDRAFT THROUGH SAID RAW WOOD WHEREBY VAPORIZED PRODUCTS FROM SAID WOOD ARE CONDENSED ON SAID COOLED RACK BOTTOM PORTION, PIPE MEANS POSITIONED ALONG SAID RACK AND BETWEEN THE SIDE WALLS OF SAID RACK AND SAID OVEN FOR INJECTING STEAM AND SOLVENTS INTO SAID DOWNDRAFT, AND TROUGH MEANS ADJACENT SAID RACK BOTTOM PORTION FOR COLLECTING AND CONVEYING AWAY THE CONDENSED PRODUCTS.
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |