US3517812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for removing floating wastes from water surfaces
Assignee: Individual
•
Filing: 1967-09-28
•
Granted: 1970-06-30
•
Expires: 1987-09-28
Abstract
No abstract record available.
Inventors
- 👤 Dario Bucchioni
- 👤 Mirella Forgione De Toffoli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:08
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/046; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE307854C
Cited
US1530078A
Cited
US1889601A
Cited
US2670848A
Cited
US2876903A
Cited
US3219190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |