US3285587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exchange tower
Assignee: Sulzer AG
•
Filing: 1964-03-16
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Granted: 1966-11-15
•
Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Huber Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:37
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/32; B01D; B01D3/00; B01D3/14; B01D3/26; B01D3/28; B01D59/00; B01D59/02; B01D59/04; B01D59/28; B01D59/32; C; C01; C01B; C01B4/00; B01J2219/00; B01J2219/32; B01J2219/322; B01J2219/32203; B01J2219/3221; B01J2219/32213; B01J2219/3222; B01J2219/32224; B01J2219/32227; B01J2219/32237; B01J2219/32244; B01J2219/32255; B01J2219/32265; B01J2219/32268; B01J2219/32272; B01J2219/324; B01J2219/32408; B01J2219/32483; Y; Y10; Y10S; Y10S261/00; Y10S261/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
AN EXCHANGER TOWER COMPRISING A HOUSING, APERTURED PARTITION MEANS IN SAID HOUSING DEFINING A PLURALITY OF PARALLEL CONDUITS HAVING APERTURED WALLS, AND PLURAL PACKING BODIES DISPOSED IN EACH OF SAID CONDUITS, SAID PACKING BODIES SUBSTANTIALLY FILLING THE CROSS-SECTION OF SAID CONDUITS RESPECTIVELY AND COMPRISING EACH AT LEAST IN PART CORRUGATED PLATES WITH THE CORRUGATIONS OF ADJACENT PLATES INCLINED TO EACH OTHER AND WITH CORRUGATIONS OF AT LEAST ONE OF TWO ADJACENT PLATES BEING INCLINED TO THE AXIS
Claim 2
Dependent Claim
77 words
AN EXCHANGER TOWER COMPRISING A HOUSING, APERTURED PARTITION MEANS IN SAID HOUSING DEFINING A PLURALITY OF PARALLEL CONDUITS HAVING APERTURED WALLS, AND PLURAL PACKING BODIES DISPOSED IN EACH OF SAID CONDUITS, SAID PACKING BODIES SUBSTANTIALLY FILLING THE CROSS-SECTION OF SAID CONDUITS RESPECTIVELY AND COMPRISING EACH AT LEAST IN PART CORRUGATED PLATES WITH THE CORRUGATIONS OF ADJACENT PLATES INCLINED TO EACH OTHER AND WITH CORRUGATIONS OF AT LEAST ONE OF TWO ADJACENT PLATES BEING INCLINED TO THE AXIS
References Cited (Backward Citations)
FR470713A
Cited
DE337284C
Cited
US2152574A
Cited
US2231088A
Cited
US2485849A
Cited
US2971750A
Cited
FR1318149A
Cited
US3243170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |