US3202239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustic shield for a tool powered by a gas-operated motor
Assignee: Individual
•
Filing: 1964-06-04
•
Granted: 1965-08-24
•
Expires: 1984-06-04
Abstract
No abstract record available.
Inventors
- 👤 Clarke Ronald Albert William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:25
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN THE KNOWN COMBINATION OF A DRILL, HAMMER OR LIKE TOOL HAVING AN AXIALLY ELONGATED BODY, A WORKING MEMBER WHICH EXTENDS FROM ONE END OF THE BODY AND CAN BE RECIPROCATED AXIALLY OF THE BODY, AND A GAS-DRIVEN MOTOR WITHIN THE BODY OPERABLE TO IMPART REPEATED IMPACT BLOWS TO THE WORKING MEMBER, THE BODY BEING FORMED TO PROVIDE OUTLET MEANS THROUGH WHICH EXHAUST GAS IS DISCHARGED LATERALLY OF THE BODY, TOGETHER WITH AN ACOUSTIC SHIELD FOR THE TOOL WHICH IS FITTED TO THE BODY TO SURROUND AND BE SPACED FROM A PORTION OF THE BODY INCLUDING THE PART OF
Claim 2
Dependent Claim
99 words
IN THE KNOWN COMBINATION OF A DRILL, HAMMER OR LIKE TOOL HAVING AN AXIALLY ELONGATED BODY, A WORKING MEMBER WHICH EXTENDS FROM ONE END OF THE BODY AND CAN BE RECIPROCATED AXIALLY OF THE BODY, AND A GAS-DRIVEN MOTOR WITHIN THE BODY OPERABLE TO IMPART REPEATED IMPACT BLOWS TO THE WORKING MEMBER, THE BODY BEING FORMED TO PROVIDE OUTLET MEANS THROUGH WHICH EXHAUST GAS IS DISCHARGED LATERALLY OF THE BODY, TOGETHER WITH AN ACOUSTIC SHIELD FOR THE TOOL WHICH IS FITTED TO THE BODY TO SURROUND AND BE SPACED FROM A PORTION OF THE BODY INCLUDING THE PART OF
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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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |