Patent US3334487A successfully refreshed from Google Patents.
US3334487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impulse tool with improved cut-off device
Assignee: Ingersoll Rand Co
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Filing: 1965-09-07
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Granted: 1967-08-08
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Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 Reginald W Pauley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:52
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/147; B25B23/1475; B25B23/145; B25B23/1453
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
FOR AN IMPULSE TOOL HAVING HOUSING MEANS PROVIDED WITH A CAVITY FOR SEALINGLY CONTAINING A FLUID, SPINDLE MEANS IN SAID HOUSING MEANS AND IN SAID FLUID, DRIVE MEANS OPERATIVELY ASSOCIATED WITH ONE OF SAID HOUSING MEANS AND SAID SPINDLE MEANS FOR CAUSING RELATIVE ROTARY MOVEMENT BETWEEN SAID HOUSING MEANS AND SAID SPINDLE MEANS, SEALING MEANS ON ONE OF SAID HOUSING MEANS AND SAID SPINDLE MEANS, A FIRST SEAL PORTION ON SAID HOUSING MEANS, A SECOND SEALING PORTION ON SAID SPI NDLE MEANS, SAID FIRST SEALING PORTIN AND SAID SECOND SEALING PORTION BEING IN SEALING RELATION DURING A RELATIVELY SMALL PORTION OF EACH REVOLUTION OF SAID RELATIVE ROTATIVE MOVEMENT, SAID FIRST SEALING PORTION AND SAID SECOND SEALING PORTION AND SAID SEALING MEANS BEING OPERABLE DURING SAID RELATIVELY SMALL PORTION OF EACH REVOLUTION OF SAID RELATIVE ROTARY MOVEMENT TO DYNAMICALLY SEAL OFF SAID CAVITY INTO A HIGH PRESSURE PORTION AND A LOW PRESSURE PORTION TO PRODUCE A PRIMARY PRESSURE PULSE IN SAID HIGH PRESSURE PORTION AND
Claim 2
Dependent Claim
164 words
FOR AN IMPULSE TOOL HAVING HOUSING MEANS PROVIDED WITH A CAVITY FOR SEALINGLY CONTAINING A FLUID, SPINDLE MEANS IN SAID HOUSING MEANS AND IN SAID FLUID, DRIVE MEANS OPERATIVELY ASSOCIATED WITH ONE OF SAID HOUSING MEANS AND SAID SPINDLE MEANS FOR CAUSING RELATIVE ROTARY MOVEMENT BETWEEN SAID HOUSING MEANS AND SAID SPINDLE MEANS, SEALING MEANS ON ONE OF SAID HOUSING MEANS AND SAID SPINDLE MEANS, A FIRST SEAL PORTION ON SAID HOUSING MEANS, A SECOND SEALING PORTION ON SAID SPI NDLE MEANS, SAID FIRST SEALING PORTIN AND SAID SECOND SEALING PORTION BEING IN SEALING RELATION DURING A RELATIVELY SMALL PORTION OF EACH REVOLUTION OF SAID RELATIVE ROTATIVE MOVEMENT, SAID FIRST SEALING PORTION AND SAID SECOND SEALING PORTION AND SAID SEALING MEANS BEING OPERABLE DURING SAID RELATIVELY SMALL PORTION OF EACH REVOLUTION OF SAID RELATIVE ROTARY MOVEMENT TO DYNAMICALLY SEAL OFF SAID CAVITY INTO A HIGH PRESSURE PORTION AND A LOW PRESSURE PORTION TO PRODUCE A PRIMARY PRESSURE PULSE IN SAID HIGH PRESSURE PORTION AND
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |