Patent US3411779A successfully refreshed from Google Patents.
US3411779A
Expired / Lapsed
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Aiming point indicator for billiards
Assignee: DONALD K MCGOWAN
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Filing: 1966-10-28
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Granted: 1968-11-19
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Expires: 1986-10-28
Abstract
No abstract record available.
Inventors
- 👤 Donald K Mcgowan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:05
CPC Classifications
A; A63; A63D; A63D15/00; A63D15/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
AN AIMING POINT INDICATOR FOR BILLIARDS, FOR INDICATING THE POINT ON AN OBJECT BALL AT WHICH A CUE BALL MUST BE AIMED IN ORDER TO DIRECT THE OBJECT BALL TO A SELECTED POCKET, THE INDICATOR COMPRISING: A BASE PLATE HAVING A BALL LOCATING ARCUATE ELEMENT CORRESPONDING TO A PORTION OF A BILLIARD BALL, AND A CALIBRATED SCALE, SAID SCALE HAVING PARALLEL DEMARCATIONS EXTENDING ADJACENT TO SAID ARCUATE ELEMENT FOR INDICATING A PROGRESSION OF FRACTIONAL PORTIONS OF THE DIAMETER OF THE BALL; A POINTER ELEMENT INCLUDING A DISC PORTION REPRESENTING A BILLIARD BALL, WITH AN ARM EXTENDING RADIALLY FROM SAID DISC PORTION AND BEING PIVOTALLY ATTACHED TO SAID BASE PLATE AT THE CENTER OF RADIUS OF SAID ARCUATE ELEMENT, AND SAID DISC PORTION BEING TANGENTIAL TO SAID ARCUATE ELEMENT; THE ADJUSTED POSITION OF SAID POINTER, IN USE, GIVING A READING AS ONE OF SAID FRACTIONAL PORTION, THUS INDICATING THE PROPER AIMING POINT ON AN OBJECT BALL.
Claim 2
Dependent Claim
155 words
AN AIMING POINT INDICATOR FOR BILLIARDS, FOR INDICATING THE POINT ON AN OBJECT BALL AT WHICH A CUE BALL MUST BE AIMED IN ORDER TO DIRECT THE OBJECT BALL TO A SELECTED POCKET, THE INDICATOR COMPRISING: A BASE PLATE HAVING A BALL LOCATING ARCUATE ELEMENT CORRESPONDING TO A PORTION OF A BILLIARD BALL, AND A CALIBRATED SCALE, SAID SCALE HAVING PARALLEL DEMARCATIONS EXTENDING ADJACENT TO SAID ARCUATE ELEMENT FOR INDICATING A PROGRESSION OF FRACTIONAL PORTIONS OF THE DIAMETER OF THE BALL; A POINTER ELEMENT INCLUDING A DISC PORTION REPRESENTING A BILLIARD BALL, WITH AN ARM EXTENDING RADIALLY FROM SAID DISC PORTION AND BEING PIVOTALLY ATTACHED TO SAID BASE PLATE AT THE CENTER OF RADIUS OF SAID ARCUATE ELEMENT, AND SAID DISC PORTION BEING TANGENTIAL TO SAID ARCUATE ELEMENT; THE ADJUSTED POSITION OF SAID POINTER, IN USE, GIVING A READING AS ONE OF SAID FRACTIONAL PORTION, THUS INDICATING THE PROPER AIMING POINT ON AN OBJECT BALL.
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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |