Patent US3047436A successfully refreshed from Google Patents.
US3047436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for cleaning tubes and the like
Assignee: Magnus Chemical Co Inc
•
Filing: 1958-08-27
•
Granted: 1962-07-31
•
Expires: 1978-08-27
Abstract
No abstract record available.
Inventors
- 👤 Marcel J Zinty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:35
CPC Classifications
C; C23; C23G; C23G3/00; C23G3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
THE METHOD OF CLEANING THE INTERIOR OF A BORE IN AN ELONGATED ARTICLE HAVING OPENINGS AT OPPOSITE ENDS OF THE ARTICLE WHEREIN THE ARTICLE IS ALTERNATELY MOVED VERTICALLY BETWEEN A LOWERED POSITION WHERE THE ARTICLE IS IMMERSED IN A BATH OF A CLEANING FLUID AND A RAISED POSITION WHERE AT LEAST ONE END OF THE ARTICLE IS ABOVE THE SURFACE OF THE LIQUID IN SAID BATH THE STEPS WHICH COMPRISE POSITIONING ONE END OF THE ARTICLE AT A HIGHER ELEVATED THAN THE OTHER END THEREOF AS THE ARTICLE IS MOVED TO THE RAISED POSITION THEREOF AND REVERSING THE RELATIVE POSITIONS OF SAID ENDS OF THE ARTICLE ON THE NEXT MOVEMENT OF THE ARTICLE TO SAID RAISED POSITION.
Claim 2
Independent Claim
117 words
THE METHOD OF CLEANING THE INTERIOR OF A BORE IN AN ELONGATED ARTICLE HAVING OPENINGS AT OPPOSITE ENDS OF THE ARTICLE WHEREIN THE ARTICLE IS ALTERNATELY MOVED VERTICALLY BETWEEN A LOWERED POSITION WHERE THE ARTICLE IS IMMERSED IN A BATH OF A CLEANING FLUID AND A RAISED POSITION WHERE AT LEAST ONE END OF THE ARTICLE IS ABOVE THE SURFACE OF THE LIQUID IN SAID BATH THE STEPS WHICH COMPRISE POSITIONING ONE END OF THE ARTICLE AT A HIGHER ELEVATED THAN THE OTHER END THEREOF AS THE ARTICLE IS MOVED TO THE RAISED POSITION THEREOF AND REVERSING THE RELATIVE POSITIONS OF SAID ENDS OF THE ARTICLE ON THE NEXT MOVEMENT OF THE ARTICLE TO SAID RAISED POSITION.
References Cited (Backward Citations)
US561714A
Cited
US947460A
Cited
US672137A
Cited
US2087978A
Cited
US2450157A
Cited
US2481400A
Cited
US2580371A
Cited
US2625906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |