US3360718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spark plug tester
Assignee: Individual
•
Filing: 1967-08-15
•
Granted: 1967-12-26
•
Expires: 1987-08-15
Abstract
No abstract record available.
Inventors
- 👤 Lester W Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:08
CPC Classifications
H; H01; H01T; H01T21/00; H01T21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A TESTER FOR SIMULTANEOUSLY ENCLOSING A PLURALITY OF MORE THAN TWO SPARK PLUGS FOR TESTING COMPRISING; (A) A TRAY (19), (B) PARIS OF SPACED CONTACTS (25,30) UPON SAID TRAY FOR ELECTRICALLY CONTACTING RESPECTIVE SPARK PLUG ELECTRODES AND FOR SUPPORTING EACH SPARK PLUG OF SAID PLURALITY IN AN UP-ENDED INCLINED POSITION. (C) AN ELONGATED HOUSING (11) TO RECEIVE AND ENCLOSE SAID TRAY, (D) MEANS (15) FORMING A PART OF SAID HOUSING TO ALLOW OBSERVATION DIRECTLY OF THE SPARK GAPS OF THE SPARK PLUGS, (E) HIGH VOLTAGE SOURCE MEANS (41) AND (F) INDIVIDUAL NORMALLY OPEN-CURCUIT ELECTRICAL SWITCHES (37, 38, 39, 45) TO SELECTIVELY CONNECT SAID SOURCE MEANS THROUGH SAID PAIRS OF CONTACTS (25, 30) TO SELECTED SPARK PLUGS (28) FOR ENABLING OBSERVATION OF THE SPARKS PRODUCED THEREBY.
Claim 2
Dependent Claim
125 words
A TESTER FOR SIMULTANEOUSLY ENCLOSING A PLURALITY OF MORE THAN TWO SPARK PLUGS FOR TESTING COMPRISING; (A) A TRAY (19), (B) PARIS OF SPACED CONTACTS (25,30) UPON SAID TRAY FOR ELECTRICALLY CONTACTING RESPECTIVE SPARK PLUG ELECTRODES AND FOR SUPPORTING EACH SPARK PLUG OF SAID PLURALITY IN AN UP-ENDED INCLINED POSITION. (C) AN ELONGATED HOUSING (11) TO RECEIVE AND ENCLOSE SAID TRAY, (D) MEANS (15) FORMING A PART OF SAID HOUSING TO ALLOW OBSERVATION DIRECTLY OF THE SPARK GAPS OF THE SPARK PLUGS, (E) HIGH VOLTAGE SOURCE MEANS (41) AND (F) INDIVIDUAL NORMALLY OPEN-CURCUIT ELECTRICAL SWITCHES (37, 38, 39, 45) TO SELECTIVELY CONNECT SAID SOURCE MEANS THROUGH SAID PAIRS OF CONTACTS (25, 30) TO SELECTED SPARK PLUGS (28) FOR ENABLING OBSERVATION OF THE SPARKS PRODUCED THEREBY.
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |