US3421252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipelaying toy truck
Assignee: DAVID E DOWNEY
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Filing: 1966-01-17
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Granted: 1969-01-14
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Expires: 1986-01-17
Abstract
No abstract record available.
Inventors
- 👤 David E Downey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:18
CPC Classifications
A; A63; A63H; A63H17/00; A63H17/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A BATTERY OPERATED PIPE-LAYING TOY TRUCK COMPRISING A TRUCK FRAME WITH WHEELS, A CYLINDER SHAPED OUTER DRUM POSITIONED ON THE TRUCK BODY, AN INNER DRUM WITHIN SAID CYLINDER SHAPED DRUM PROVIDED WITH A PLURALITY OF SLOTS POSITIONED THEREIN, A DRIVE MECHANISM OPERATIVELY CONNECTED TO SAID INNER DRUM FOR TURNING SAID INNER DRUM AROUND ITS AXIS, A PLURALITY OF PIPES POSITIONED WITHIN SAID SLOTS, THE BOTTOM PORTION OF SAID CYLINDER SHAPED DRUM HAVING A SLOT AND A GUIDANCE CHUTE SECURED THERETO FOR REMOVAL OF ONE OF SAID PIPES FROM SAID CYLINDER SHAPED DRUM WHEN SAID INNER DRUM SLOT IS TURNED BY SAID DRIVE MECHANISM IN DIRECT ALIGNMENT WITH THE SLOT OF SAID CYLINDER SHAPED DRUM, A PLURALITY OF PIPE SUPPORT MEMBERS, A HOUSING WITHIN SAID TRUCK FRAME, SAID HOUSING HAVING OPENINGS THEREIN FOR REMOVEABLY SECURING SAID PIPE SUPPORT MEMBERS, AN EJECTION MECHANISM ON SAID FRAME OPERATIVELY CONNECTED TO SAID DRIVE MECHANISM FOR EJECTING SAID SUPPORT MEMBERS FROM SAID HOUSING SIMULTANEOUSLY WITH THE EJECTION OF ONE OF SAID PIPES FROM SAID INNER DRUM.
Claim 2
Dependent Claim
171 words
A BATTERY OPERATED PIPE-LAYING TOY TRUCK COMPRISING A TRUCK FRAME WITH WHEELS, A CYLINDER SHAPED OUTER DRUM POSITIONED ON THE TRUCK BODY, AN INNER DRUM WITHIN SAID CYLINDER SHAPED DRUM PROVIDED WITH A PLURALITY OF SLOTS POSITIONED THEREIN, A DRIVE MECHANISM OPERATIVELY CONNECTED TO SAID INNER DRUM FOR TURNING SAID INNER DRUM AROUND ITS AXIS, A PLURALITY OF PIPES POSITIONED WITHIN SAID SLOTS, THE BOTTOM PORTION OF SAID CYLINDER SHAPED DRUM HAVING A SLOT AND A GUIDANCE CHUTE SECURED THERETO FOR REMOVAL OF ONE OF SAID PIPES FROM SAID CYLINDER SHAPED DRUM WHEN SAID INNER DRUM SLOT IS TURNED BY SAID DRIVE MECHANISM IN DIRECT ALIGNMENT WITH THE SLOT OF SAID CYLINDER SHAPED DRUM, A PLURALITY OF PIPE SUPPORT MEMBERS, A HOUSING WITHIN SAID TRUCK FRAME, SAID HOUSING HAVING OPENINGS THEREIN FOR REMOVEABLY SECURING SAID PIPE SUPPORT MEMBERS, AN EJECTION MECHANISM ON SAID FRAME OPERATIVELY CONNECTED TO SAID DRIVE MECHANISM FOR EJECTING SAID SUPPORT MEMBERS FROM SAID HOUSING SIMULTANEOUSLY WITH THE EJECTION OF ONE OF SAID PIPES FROM SAID INNER DRUM.
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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |