US3153330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveling dam
Assignee: Individual
•
Filing: 1961-02-15
•
Granted: 1964-10-20
•
Expires: 1981-02-15
Abstract
No abstract record available.
Inventors
- 👤 John E Melin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:31
CPC Classifications
E; E02; E02B; E02B13/00; E02B13/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US609811A
Cited
US1068366A
Cited
US1328710A
Cited
US1228377A
Cited
US1490799A
Cited
US1723073A
Cited
US1825220A
Cited
US1902412A
Cited
US2097840A
Cited
US2219159A
Cited
US2880937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |