Patent US2275875A successfully refreshed from Google Patents.
Patent US3127941A successfully refreshed from Google Patents.
US3127941A
Expired / Lapsed
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Impact tool
Assignee: Individual
•
Filing: 1960-10-18
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Granted: 1964-04-07
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Expires: 1980-10-18
Abstract
No abstract record available.
Inventors
- 👤 Charles B Sieber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:00
CPC Classifications
B; B25; B25D; B25D11/00; B25D11/06; B25D11/066; B25D11/068
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN IMPACT TOOL COMPRISING IN COMBINATION A FRAME, A STRIKING WHEEL MOUNTED THEREON HAVING A PERIPHERAL OPENING THEREIN, A HAMMER BLOCK HAVING AN OPENING LONGITUDINALLY THEREOF SLIDABLY MOUNTED IN THE OPENING IN THE SAID WHEEL, A PLUG FIXED TO THE STRIKING WHEEL AT ONE END OF THE SAID PERIPHERAL OPENING, A BOLT IN THE SAID PLUG EXTENDING INTO THE LONGITUDINAL OPENING IN THE HAMMER BLOCK, A SPRING ON THE SAID BOLT WITHIN THE LONGITUDINAL OPENING IN THE HAMMER BLOCK NORMALLY BIASING THE SAID HAMMER BLOCK INWARDLY OF THE SAID WHEEL, A POWER DRIVEN WHEEL MOUNTED UPON A COMMON AXIS WITH SAID STRIKING WHEEL AND A SPRING SECURED AT ONE OF ITS ENDS TO THE STRIKING WHEEL ADJACENT ITS OUTER PERIPHERY AND AT ITS OTHER END TO THE POWER DRIVEN WHEEL ALSO ADJACENT ITS OUTER PERIPHERY.
Claim 2
Dependent Claim
135 words
AN IMPACT TOOL COMPRISING IN COMBINATION A FRAME, A STRIKING WHEEL MOUNTED THEREON HAVING A PERIPHERAL OPENING THEREIN, A HAMMER BLOCK HAVING AN OPENING LONGITUDINALLY THEREOF SLIDABLY MOUNTED IN THE OPENING IN THE SAID WHEEL, A PLUG FIXED TO THE STRIKING WHEEL AT ONE END OF THE SAID PERIPHERAL OPENING, A BOLT IN THE SAID PLUG EXTENDING INTO THE LONGITUDINAL OPENING IN THE HAMMER BLOCK, A SPRING ON THE SAID BOLT WITHIN THE LONGITUDINAL OPENING IN THE HAMMER BLOCK NORMALLY BIASING THE SAID HAMMER BLOCK INWARDLY OF THE SAID WHEEL, A POWER DRIVEN WHEEL MOUNTED UPON A COMMON AXIS WITH SAID STRIKING WHEEL AND A SPRING SECURED AT ONE OF ITS ENDS TO THE STRIKING WHEEL ADJACENT ITS OUTER PERIPHERY AND AT ITS OTHER END TO THE POWER DRIVEN WHEEL ALSO ADJACENT ITS OUTER PERIPHERY.
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 |