US3034647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclone separator
Assignee: Ametek Inc
•
Filing: 1959-06-25
•
Granted: 1962-05-15
•
Expires: 1979-06-25
Abstract
No abstract record available.
Inventors
- 👤 Robert C Giesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:37
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/14; B04C5/15; B04C5/02; B04C5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US451362A
Cited
US624684A
Cited
US1149463A
Cited
US1897195A
Cited
US2008643A
Cited
US2373051A
Cited
US2653801A
Cited
US2806599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |