US3745697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-illuminating diablo top
Assignee: Individual
•
Filing: 1971-11-12
•
Granted: 1973-07-17
•
Expires: 1991-11-12
Abstract
Abstract A self-illuminated diablo top having the illuminated end portions completely detachable as a unit including the battery, bulb, and switch for completing the contact between the battery and bulb when the diablo is rotated at a sufficient speed. The remaining portions of the diablo can be used as, for instance, in the daytime with the illuminated portions detached.
Inventors
- 👤 W Wang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:12
CPC Classifications
A; A63; A63B; A63B67/00; A63B67/16; A63B2225/00; A63B2225/74; A63B71/00; A63B71/06; A63B71/0619; A63B71/0622
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
111 words
A diablo game top comprising a shaft, said shaft having an annular groove formed intermediate its opposite ends for cooperation with a diablo string, a reduced diameter portion formed on each end of said shaft, a pair of bores threaded at their inner ends opening into opposite ends of said shaft, a pair of drums detachably mounted on said reduced diameter portions at opposite ends of said shaft, and a unitary self-illuminating member attached to each end of said diablo top in engagement with the respective adjacent drum and having a battery case threaded into said threaded bore, said member retaining said drum on said reduced diameter portion of said shaft.
Claim 2
Dependent Claim
111 words
A diablo game top comprising a shaft, said shaft having an annular groove formed intermediate its opposite ends for cooperation with a diablo string, a reduced diameter portion formed on each end of said shaft, a pair of bores threaded at their inner ends opening into opposite ends of said shaft, a pair of drums detachably mounted on said reduced diameter portions at opposite ends of said shaft, and a unitary self-illuminating member attached to each end of said diablo top in engagement with the respective adjacent drum and having a battery case threaded into said threaded bore, said member retaining said drum on said reduced diameter portion of said shaft.
Claim 3
Dependent Claim
52 words
A device as claimed in claim 1 wherein said self-illuminating member includes a disc rigidly secured to said battery case, a translucent dome detachably secured to said disc, and centrifugally operated means for closing an electric circuit between a battery in said battery case and a bulb in contact with said battery.
Claim 4
Dependent Claim
41 words
A device as claimed in claim 2 wherein said disc has an annular flange formed thereon with an internal annular groove formed therein, said dome having an integral ring formed on its peripheral edge and adapted for seating in said groove.
Claim 5
Dependent Claim
38 words
A device as claimed in claim 1 wherein the means for completing a contact includes a spring arm movable under centrifugal force and a contact member positioned for engagement by said spring arm during rotation of said diablo.
Claim 6
Dependent Claim
31 words
A device as claimed in claim 3 wherein means is provided internally of said translucent dome for engaging said light bulb to hold said light bulb in engagement with said battery.
References Cited (Backward Citations)
GB190725283A
Cited
US2836009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |