US3127706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe cleaning apparatus
Assignee: Individual
•
Filing: 1961-01-16
•
Granted: 1964-04-07
•
Expires: 1981-01-16
Abstract
No abstract record available.
Inventors
- 👤 Harvey D Giffen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:06
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/08; B24C3/10; B24C3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A CLEANING APPARATUS FOR NON-ROTATABLE PIPE COMPRISING, IN COMBINATION, POWER DRIVEN CENTRIFUGAL BLAST WHEELS, MEANS OF ROTATING THE AXES OF SAID BLAST WHEELS BETWEEN PARALLEL AND RIGHT ANGLE POSITIONS WITH RESPECT TO THE AXIS OF THE PIPE, MEANS OF LOCKING THE BLAST WHEELS AXES IN ANY POSITION OF SAID ROTATION, MEANS FOR ADVANCING THE APPARATUS ALONG THE PIPE.
Claim 2
Dependent Claim
58 words
A CLEANING APPARATUS FOR NON-ROTATABLE PIPE COMPRISING, IN COMBINATION, POWER DRIVEN CENTRIFUGAL BLAST WHEELS, MEANS OF ROTATING THE AXES OF SAID BLAST WHEELS BETWEEN PARALLEL AND RIGHT ANGLE POSITIONS WITH RESPECT TO THE AXIS OF THE PIPE, MEANS OF LOCKING THE BLAST WHEELS AXES IN ANY POSITION OF SAID ROTATION, MEANS FOR ADVANCING THE APPARATUS ALONG THE PIPE.
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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |