US3372528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for the removal of dust from converter and other exhaust gases
Assignee: GOTTFRIED BISCHOFF KG BAU KOMP
•
Filing: 1966-07-13
•
Granted: 1968-03-12
•
Expires: 1986-07-13
Abstract
No abstract record available.
Inventors
- 👤 Hoff Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:51
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/01; B03C3/014; C; C21; C21C; C21C5/00; C21C5/28; C21C5/38; C21C5/40; Y; Y02; Y02P; Y02P10/00; Y02P10/25; Y10; Y10S; Y10S261/00; Y10S261/09
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1819643A
Cited
US1152459A
Cited
US1444627A
Cited
US1820734A
Cited
US1842663A
Cited
US1986529A
Cited
US2062397A
Cited
US2539344A
Cited
US2696892A
Cited
GB759493A
Cited
US2677439A
Cited
US2706533A
Cited
US2862701A
Cited
US2911061A
Cited
GB1002769A
Cited
US3221475A
Cited
US3173980A
Cited
GB1003377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |