Patent US3295565A successfully refreshed from Google Patents.
US3295565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for filling an exhaust purifier with catalyst pellets
Assignee: Oxy Catalyst Inc
•
Filing: 1963-09-09
•
Granted: 1967-01-03
•
Expires: 1983-09-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles G Grandy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:25
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2839; F01N3/2846; F01N2450/00; F01N2450/04; F01N2470/00; F01N2470/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |