US3208460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing apparatus for cylindrical pipes
Assignee: SP Industries Inc
•
Filing: 1964-05-14
•
Granted: 1965-09-28
•
Expires: 1984-05-14
Abstract
No abstract record available.
Inventors
- 👤 Kurt J Heinicke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:49
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/043; B08B9/0433
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A DEVICE FOR CLEANING THE INTERIOR OF A TUBE COMPRISING, A HOUSING, A TUBE TO BE CLEANED ATTACHED OVER AN OPENING IN THE TOP OF THE HOUSING, THE TUBE STANDING UPRIGHT ABOVE THE HOUSING, A SPRAY HEAD SMALLER THAN THE INTERIOR OF THE TUBE LOCATED WITHIN THE TUBE AND MOVED UP AND DOWN WITHIN THE TUBE WHILE SPRAYING THE INTERIOR OF THE TUBE, RADIALLY-EXTENDING SPRING-BIASED ARMS EXTENDING FROM THE LOWER END OF THE SPRAY HEAD, EACH OF SAID ARMS CARRYING A ROLLER RIDING AGAINST THE INTERIOR WALL SURFACE OF THE TUBE, THE SPRAY HEAD HAVING A PLU-
Claim 2
Independent Claim
97 words
A DEVICE FOR CLEANING THE INTERIOR OF A TUBE COMPRISING, A HOUSING, A TUBE TO BE CLEANED ATTACHED OVER AN OPENING IN THE TOP OF THE HOUSING, THE TUBE STANDING UPRIGHT ABOVE THE HOUSING, A SPRAY HEAD SMALLER THAN THE INTERIOR OF THE TUBE LOCATED WITHIN THE TUBE AND MOVED UP AND DOWN WITHIN THE TUBE WHILE SPRAYING THE INTERIOR OF THE TUBE, RADIALLY-EXTENDING SPRING-BIASED ARMS EXTENDING FROM THE LOWER END OF THE SPRAY HEAD, EACH OF SAID ARMS CARRYING A ROLLER RIDING AGAINST THE INTERIOR WALL SURFACE OF THE TUBE, THE SPRAY HEAD HAVING A PLU-
References Cited (Backward Citations)
US103371A
Cited
US2735794A
Cited
US840799A
Cited
US1223083A
Cited
US1274931A
Cited
US1799551A
Cited
US2597896A
Cited
US2774362A
Cited
US2726180A
Cited
US2887118A
Cited
US2859728A
Cited
US3062227A
Cited
US3067756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |