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Patent US3835207A successfully refreshed from Google Patents.
US3226818A
Expired / Lapsed
US
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Method of making a ball and socket type hitch
Assignee: Individual
•
Filing: 1964-09-22
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Granted: 1966-01-04
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Expires: 1984-09-22
Abstract
No abstract record available.
Inventors
- 👤 Paul D Abbott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:57
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0614; F16C11/0619; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49648; Y10T29/4965; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49853; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
THE METHOD OF MANUFACTURING A BALL AND SOCKET TYPE HITCH COMPRISING THE STEPS OF PROVIDING A BALL, DRILLING A PAIR OF DIAMETRICALLY OPPOSED OPENINGS ENTIRELY THROUGH SAID BALL, PROVIDING A CYLINDRICAL COUPLING RING SLEEVE HAVING AN INTERNAL DIAMETER SLIGHTLY GREATER THAN THE DIAMETER OF SAID BALL; CLAMPING THE CENTRAL PORTION OF SAID COUPLING RING SLEEVE WITH A PAIR OF JAWS, INSERTING SAID DRILLED BALL INTO THE COUPLING RING SLEEVE, CONTRACTING BOTH ENDS OF SAID COUPLING RING SLEEVE ABOUT AND IN CLOSE PROXIMITY TO SAID BALL, AND THEREAFTER WELDING THE COUPLING RING SLEEVE ASSEMBLY IN AN OPENING IN A MOUNTING ELEMENT OF A HITCH, WHEREBY SAID BALL WILL BE FREELY ROTATABLE WITHIN SAID SLEEVE ASSEMBLY.
Claim 2
Independent Claim
114 words
THE METHOD OF MANUFACTURING A BALL AND SOCKET TYPE HITCH COMPRISING THE STEPS OF PROVIDING A BALL, DRILLING A PAIR OF DIAMETRICALLY OPPOSED OPENINGS ENTIRELY THROUGH SAID BALL, PROVIDING A CYLINDRICAL COUPLING RING SLEEVE HAVING AN INTERNAL DIAMETER SLIGHTLY GREATER THAN THE DIAMETER OF SAID BALL; CLAMPING THE CENTRAL PORTION OF SAID COUPLING RING SLEEVE WITH A PAIR OF JAWS, INSERTING SAID DRILLED BALL INTO THE COUPLING RING SLEEVE, CONTRACTING BOTH ENDS OF SAID COUPLING RING SLEEVE ABOUT AND IN CLOSE PROXIMITY TO SAID BALL, AND THEREAFTER WELDING THE COUPLING RING SLEEVE ASSEMBLY IN AN OPENING IN A MOUNTING ELEMENT OF A HITCH, WHEREBY SAID BALL WILL BE FREELY ROTATABLE WITHIN SAID SLEEVE ASSEMBLY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |