Patent US3211291A successfully refreshed from Google Patents.
US3211291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination drain plug and screen
Assignee: Individual
•
Filing: 1963-04-10
•
Granted: 1965-10-12
•
Expires: 1983-04-10
Abstract
No abstract record available.
Inventors
- 👤 Marvin G Teutsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:59
CPC Classifications
F; F16; F16N; F16N21/00; F16N21/06; B; B01; B01D; B01D35/00; B01D35/005; F01; F01M; F01M11/00; F01M11/04; F01M11/0408; F01M11/06; F01M11/10
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |