US3356166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Percussive tool
Assignee: Gardner Denver Inc
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Filing: 1965-04-15
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Granted: 1967-12-05
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Expires: 1985-04-15
Abstract
No abstract record available.
Inventors
- 👤 Sergej A Diachenko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:30
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/08; B25D17/082; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17042
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
145 words
CHUCK RETAINING MEANS FOR A PRESSURE FLUID ACTUATED PERCUSSIVE TOOL, COMPRISING: TUBULAR CASING MEANS HAVING A BORE DEFINING AN INTERNAL WALL; CHUCK MEAND COAXIALLY DISPOSED IN SAID BORE AND AXIALLY MOVABLE THEREIN; RELEASABLE RETAINING MEANS FOR SAID CHUCK MEANS ENGAGING SAID WALL AND SAID CHUCK MEANS TO RETAIN THE LATTER AXIALLY IN SAID CASING MEANS; SAID CHUCK MEANS PROVIDED WITH SURFACE MEANS ENGAGEABLE WITH SAID RETAINING MEANS FOR WEDGING THE LATTER BETWEEN SAID WALL AND SAID SURFACE MEANS WHEN SAID CHUCK MEANS IS IN RESPONSE TO MOVEMENT IN A DIRECTION TENDING TO DISPLACE THE SAID CHUCK MEANS FROM THE BORE OF SAID CASING MEANS; AXIALLY MOVABLE MEANS IN SAID CASING MEANS; PRESSURE FLUID CONDUCTING MEANS DEFINED BY SAID CASING MEANS; PRESSURE FLUID CONDUCTED BY SAID PRESSURE FLUID CONDUCTING MEANS OPERATING ON SAID AXIALLY MOVABLE MEANS TO PRESS SAID SURFACE MEANS WEDGINGLY AGAINST SAID RETAINING MEANS.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |