Patent US4625547A successfully refreshed from Google Patents.
Patent US3266580A successfully refreshed from Google Patents.
US3266580A
Expired / Lapsed
US
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Fluid-operated rotating and reciprocating tool
Assignee: Ingersoll Rand Co
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Filing: 1964-01-27
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Granted: 1966-08-16
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Expires: 1984-01-27
Abstract
No abstract record available.
Inventors
- 👤 John M Clapp
- 👤 Emanuel G Spyridakis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:25
CPC Classifications
E; E21; E21B; E21B6/00; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/165; Y10T408/65; Y10T408/675; Y10T408/6757
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A FLUID-OPERATED TOOL FOR ROTATING AND AXIALLY RECIPROCATING A TOOL IMPLEMENT, SAID TOOL COMPRISING: (A) A BODY; (B) A FLUID-OPERATED ROTARY MOTOR MOUNTED IN SAID BODY FOR AXIAL RECIPROCATING MOVEMENTS; (C) A TOOL SPINDLE CONNECTED TO SAID ROTARY MOTOR FOR ROTATION THEREOF; (D) TOOL FEEDING MEANS IN SAID BODY FOR FEEDING SAID ROTARY MOTOR AND SPINDLE FORWARDLY THROUGH A FORWARD STROKE AND THEN RETRACTING IT REARWARDLY THROUGH A RETURN STROKE; (E) A FLUID PRESSURE SOURCE; AND (F) FIRST VALVE MEANS OPERATIVE, IN RESPONSE TO THE STARTING MOVEMENT OF SAID ROTARY MOTOR ALONG ITS FORWARD STROKE, TO OPEN AND CONNECT SAID FLUID PRESSURE SOURCE TO SAID ROTAR MOTOR FOR DRIVING IT;
Claim 2
Dependent Claim
110 words
A FLUID-OPERATED TOOL FOR ROTATING AND AXIALLY RECIPROCATING A TOOL IMPLEMENT, SAID TOOL COMPRISING: (A) A BODY; (B) A FLUID-OPERATED ROTARY MOTOR MOUNTED IN SAID BODY FOR AXIAL RECIPROCATING MOVEMENTS; (C) A TOOL SPINDLE CONNECTED TO SAID ROTARY MOTOR FOR ROTATION THEREOF; (D) TOOL FEEDING MEANS IN SAID BODY FOR FEEDING SAID ROTARY MOTOR AND SPINDLE FORWARDLY THROUGH A FORWARD STROKE AND THEN RETRACTING IT REARWARDLY THROUGH A RETURN STROKE; (E) A FLUID PRESSURE SOURCE; AND (F) FIRST VALVE MEANS OPERATIVE, IN RESPONSE TO THE STARTING MOVEMENT OF SAID ROTARY MOTOR ALONG ITS FORWARD STROKE, TO OPEN AND CONNECT SAID FLUID PRESSURE SOURCE TO SAID ROTAR MOTOR FOR DRIVING IT;
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |