US3295262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic motor mechanism for hand tools
Assignee: GENERAL PNEUMATIC PRODUCTS CORP
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Filing: 1964-06-17
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Granted: 1967-01-03
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Expires: 1984-06-17
Abstract
No abstract record available.
Inventors
- 👤 William J Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:23
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/10; B24B47/14; Y; Y10; Y10S; Y10S277/00; Y10S277/91; Y10S277/928
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
148 words
IN PNEUMATIC MOTOR MECHANISM FOR HAND TOOLS OF THE TYPE DESCRIBED, IN COMBINATION: A MOTOR HOUSING HAVING A HORIZONTAL BORE OPEN AT ONE END AND CLOSED AT ITS OPPOSITE END; A ROTARY MOTOR STRUCTURE MOUNTED IN THE HOUSING INCLUDING AN EXTERNALLY THREADED DRIVE SHAFT THAT PROJECTS THROUGH THE OPEN END OF THE HOUSING; A SANDING DISC ASSEMBLY RIGIDLY SECURED TO SAID DRIVE SHAFT FOR ROTATION THEREWITH, SAID ASSEMBLY INCLUDING A SANDING DISC PROPER AND A PAIR OF SMALLER DIAMETERED BACK-UP DISCS, ALL OF SAID DISCS BEING MOUNTED ON AN INTERNALLY THREADED HUB MEMBER IN ENGAGEMENT WITH THE THREADED DRIVE SHAFT AFORESAID; SPACED ANNULAR AIR INTAKE AND EXHAUST GROOVES FORMED IN THE BORE OF THE HOUSING; AN ANNULAR SEAL GROOVE FORMED IN THE BORE OF THE HOUSING INTERMEDIATE SAID INTAKE AND EXHAUST GROOVES, SAID SEAL GROOVE COMPRISING A SEMICIRCULAR FORMATION THAT MERGES AT ONE SIDE INTO A FORWARDLY SLOP-
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |