US3439689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet cleaning apparatus with filter means for removing debris from the cleaning fluid
Assignee: Jet Clean Co
•
Filing: 1966-09-30
•
Granted: 1969-04-22
•
Expires: 1986-09-30
Abstract
No abstract record available.
Inventors
- 👤 Emil Zadron
- 👤 Alton S Kenmonth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:49
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1605961A
Cited
US2229663A
Cited
GB607778A
Cited
US2894631A
Cited
US3070104A
Cited
US2949120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |