US3068829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for cleaning vessels
Assignee: Individual
•
Filing: 1959-11-13
•
Granted: 1962-12-18
•
Expires: 1979-11-13
Abstract
No abstract record available.
Inventors
- 👤 Carl W Nuissl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:08
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12; B63; B63B; B63B59/00; B63B59/06; B63B59/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US663180A
Cited
US2468550A
Cited
US2512743A
Cited
US2883310A
Cited
US2814575A
Cited
US2922428A
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 |