US3193129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple section container
Assignee: BERKEFELD FILTER GES und CELLE
•
Filing: 1963-01-31
•
Granted: 1965-07-06
•
Expires: 1983-01-31
Abstract
No abstract record available.
Inventors
- 👤 Pfluger Hans
- 👤 Anton Karl-Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:06
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/02; B65D90/08; B65D88/00; B65D88/005; B65D88/02; B65D88/06; F; F16; F16L; F16L23/00; F16L23/04; F16L23/06
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |