US3295231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing matter, particularly weed growth from the bottom of waterways
Assignee: Individual
•
Filing: 1964-07-07
•
Granted: 1967-01-03
•
Expires: 1984-07-07
Abstract
No abstract record available.
Inventors
- 👤 Talbott David Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:32
CPC Classifications
A; A01; A01D; A01D44/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
IN COMBINATION WITH A SUBSTANTIALLY VERTICAL PIPE HAVING AN UPPER END ADAPTED TO BE CONNECTED TO A SOURCE OF FLUID PRESSURE, A NOZZLE MEMBER AT THE LOWER END OF SAID PIPE, SAID NOZZLE MEMBER INCLUDING A HOLLOW BODY IN OPEN COMMUNICATION WITH SAID VERTICAL PIPE AND HAVING A SUBSTANTIALLY CLOSED BOTTOM WALL, A RELATIVELY SHORT PIPE SECTION OF LESS DIAMETER THAN SAID VERTICAL PIPE AND HAVING A LOWER END PROJECTING THROUGH THE BOTTOM WALL OF SAID HOLLOW BODY AND EXTENDING CO-AXIALLY UPWARDLY IN SAID VERTICAL PIPE BEYOND SAID BODY, AND A STRAIGHT SLOT THROUGH THE BOTTOM WALL OF SAID BODY AND EXTENDING SYMMETRICALLY ON OPPOSITE SIDES OF THE LOWER END OF SAID PIPE SECTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |