US2906369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing particles from fluid streams
Assignee: Beazer East Inc
•
Filing: 1956-10-31
•
Granted: 1959-09-29
•
Expires: 1976-10-31
Abstract
No abstract record available.
Inventors
- 👤 John S Lagarias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:21
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/30; B03; B03C; B03C3/00; B03C3/34; B03C3/36; Y; Y10; Y10S; Y10S55/00; Y10S55/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE314171C
Cited
US1372710A
Cited
US2061045A
Cited
DE878636C
Cited
GB699670A
Cited
US2748888A
Cited
US2776725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |