Patent US3238612A successfully refreshed from Google Patents.
US3238612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction welding
Assignee: AMF Inc
•
Filing: 1964-03-05
•
Granted: 1966-03-08
•
Expires: 1984-03-05
Abstract
No abstract record available.
Inventors
- 👤 Herman Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:15
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/12; B23K20/129
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
72 words
THE PROCESS OF FRICTION WELDING A REAR AXLE AND DIFFERENTIAL HOUSING ASSEMBLY COMPRISING THE STEPS OF PLACING AXLE TUBES ON EACH SIDE OF A GEAR HOUSING AND PLACING END FLANGES AT THE ENDS OF THE AXLE TUBES, SECURING THE END FLANGES AND THE GEAR HOUSING AGAINST ROTATION, AND RAPIDLY ROTATING THE AXEL TUBES AND FORCING THE END FLANGES INWARD TO COMPLETE THE FRICTION WELDING OF THE REAR AXLE AND DIFFERENTIAL HOUSING ASSEMBLY.
Claim 2
Dependent Claim
72 words
THE PROCESS OF FRICTION WELDING A REAR AXLE AND DIFFERENTIAL HOUSING ASSEMBLY COMPRISING THE STEPS OF PLACING AXLE TUBES ON EACH SIDE OF A GEAR HOUSING AND PLACING END FLANGES AT THE ENDS OF THE AXLE TUBES, SECURING THE END FLANGES AND THE GEAR HOUSING AGAINST ROTATION, AND RAPIDLY ROTATING THE AXEL TUBES AND FORCING THE END FLANGES INWARD TO COMPLETE THE FRICTION WELDING OF THE REAR AXLE AND DIFFERENTIAL HOUSING ASSEMBLY.
Claim 3
Independent Claim
44 words
AN APPARATUS FOR FRICTION WELDING REAR AXLE AND DIFFERENTIAL HOUSING HAVING A CENTRAL GEAR HOUSING, TWO AXLE TUBES EXTENDING FROM THE SIDES OF SAID GEAR HOUSING, AND END FLANGES DISPOSED ON THE ENDS OF SAID AXLE TUBES; SAID APPARATUS COMPRISING, IN COMBINATION, CENTRAL HOLD-
Claim 4
Independent Claim
44 words
AN APPARATUS FOR FRICTION WELDING REAR AXLE AND DIFFERENTIAL HOUSING HAVING A CENTRAL GEAR HOUSING, TWO AXLE TUBES EXTENDING FROM THE SIDES OF SAID GEAR HOUSING, AND END FLANGES DISPOSED ON THE ENDS OF SAID AXLE TUBES; SAID APPARATUS COMPRISING, IN COMBINATION, CENTRAL HOLD-
References Cited (Backward Citations)
US3134278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |