US3069186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction nozzle
Assignee: Filtex Corp
•
Filing: 1956-06-11
•
Granted: 1962-12-18
•
Expires: 1976-06-11
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:55
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02; A47L9/06; A47L9/0606; A47L9/0613
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1713274A
Cited
FR707299A
Cited
DE647115C
Cited
US2143535A
Cited
US2182344A
Cited
US2159116A
Cited
US2241775A
Cited
US2318317A
Cited
US2260038A
Cited
US2659616A
Cited
BE504656A
Cited
US2758876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |