US3101499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe cleaner
Assignee: Phillips Petroleum Co
•
Filing: 1959-05-27
•
Granted: 1963-08-27
•
Expires: 1979-05-27
Abstract
No abstract record available.
Inventors
- 👤 Bill E Greenfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:14
CPC Classifications
E; E21; E21B; E21B37/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A PIPE CLEANER COMPRISING A BODY, A HAMMER CARRIED BY SAID BODY, PNEUMATIC POWER MEANSCARRIED BY SAID BODY TO OPERATE SAID HAMMER, MEANS TO POSITION SAID CLEANER IN A PIPE COMPRISING MEANS FOR SUPPORTING SAID BODY AND SUPPLYING PRESSURE FLUID THERETO TO ACTUATE SAID POWER MEANS COMPRISING A SUPPORTING TUBE ATTACHED TO SAID BODY, PACKER MEANS ATTACHED TO SAID BODY ACTUATED BY PNEUMATIC PRESSURE TO CLOSE THE ANNULAR SPACE BETWEEN SAID BODY AND THE PIPE SURRONDING SAID HAMMER, FIRST CONDUIT MEANS FOR SUPPLYING PRESSURE FLUID TO SAID PACKER MEANS, SECOND CONDUIT MEANS FOR SUPPLYING PRESSURE FLUID TO SAID POWER MEANS, MEANS IN SAID BODY TO DISCHARGE EXHAUST FLUID FROM SAID POWER MEANS TO THE SPACE SURROUNDING SAID HAMMER CLOSED BY SAID PACKER MEANS, AND MEANS IN SAID BODY TO DISCHARGE FLUID FROM SAID SPACE.
Claim 2
Dependent Claim
134 words
A PIPE CLEANER COMPRISING A BODY, A HAMMER CARRIED BY SAID BODY, PNEUMATIC POWER MEANSCARRIED BY SAID BODY TO OPERATE SAID HAMMER, MEANS TO POSITION SAID CLEANER IN A PIPE COMPRISING MEANS FOR SUPPORTING SAID BODY AND SUPPLYING PRESSURE FLUID THERETO TO ACTUATE SAID POWER MEANS COMPRISING A SUPPORTING TUBE ATTACHED TO SAID BODY, PACKER MEANS ATTACHED TO SAID BODY ACTUATED BY PNEUMATIC PRESSURE TO CLOSE THE ANNULAR SPACE BETWEEN SAID BODY AND THE PIPE SURRONDING SAID HAMMER, FIRST CONDUIT MEANS FOR SUPPLYING PRESSURE FLUID TO SAID PACKER MEANS, SECOND CONDUIT MEANS FOR SUPPLYING PRESSURE FLUID TO SAID POWER MEANS, MEANS IN SAID BODY TO DISCHARGE EXHAUST FLUID FROM SAID POWER MEANS TO THE SPACE SURROUNDING SAID HAMMER CLOSED BY SAID PACKER MEANS, AND MEANS IN SAID BODY TO DISCHARGE FLUID FROM SAID SPACE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |