US2695220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kiln
Assignee: ExxonMobil Oil Corp
•
Filing: 1950-09-27
•
Granted: 1954-11-23
•
Expires: 1970-09-27
Abstract
No abstract record available.
Inventors
- 👤 Eric V Bergstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:44
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/087; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/00088; B01J2208/00106; B01J2208/00115; B01J2208/00141; B01J2208/00477; B01J2208/00495; B01J2208/0053; Y; Y10; Y10S; Y10S159/00; Y10S159/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A KILN OF ANNULAR CROSS-SECTION THROUGH WHICH A GRANULAR CONTACT MATERIAL IS GRAVITATED AS A SUBSTANTIALLY COMPACT MASS AND IN WHICH THE SOLIDS ARE CONTACTED WITH A COMBUSTION SUPPORTING GAS TO EFFECT THE BURNING OF DEPOSITS ON THE SOLIDS, IMPROVED HEAT EXCHANGING MEANS COMPRISING A PLURALITY OF SHELF-SUPPORTS WITHIN SAID ANNULAR VESSEL ARRANGED IN A RADIAL PATTERN AT A COMMON LEVEL, SAID SHELF-SUPPORTS COMPRISING VERTICAL BEAMS WITH HORIZONTAL SHELVES ATTACHED TO EACH SIDE OF THE BEAMS, ONE END OF EACH BEAM BEING POSITIVELY ATTACHED TO A WALL OF THE VESSEL, A HINGE ATTACHED BETWEEN THE OTHER END OF THE BEAM AND THE OTHER WALL OF THE VESSEL, SO AS TO
Claim 2
Dependent Claim
111 words
IN A KILN OF ANNULAR CROSS-SECTION THROUGH WHICH A GRANULAR CONTACT MATERIAL IS GRAVITATED AS A SUBSTANTIALLY COMPACT MASS AND IN WHICH THE SOLIDS ARE CONTACTED WITH A COMBUSTION SUPPORTING GAS TO EFFECT THE BURNING OF DEPOSITS ON THE SOLIDS, IMPROVED HEAT EXCHANGING MEANS COMPRISING A PLURALITY OF SHELF-SUPPORTS WITHIN SAID ANNULAR VESSEL ARRANGED IN A RADIAL PATTERN AT A COMMON LEVEL, SAID SHELF-SUPPORTS COMPRISING VERTICAL BEAMS WITH HORIZONTAL SHELVES ATTACHED TO EACH SIDE OF THE BEAMS, ONE END OF EACH BEAM BEING POSITIVELY ATTACHED TO A WALL OF THE VESSEL, A HINGE ATTACHED BETWEEN THE OTHER END OF THE BEAM AND THE OTHER WALL OF THE VESSEL, SO AS TO
References Cited (Backward Citations)
US1134762A
Cited
US1775079A
Cited
US1765970A
Cited
US1617083A
Cited
US1868512A
Cited
US2003705A
Cited
CH227836A
Cited
US2518270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |