Patent US3302107A successfully refreshed from Google Patents.
US3302107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for testing automatic transmissions
Assignee: Enerpac Tool Group Corp
•
Filing: 1964-01-02
•
Granted: 1967-01-31
•
Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Lawrence L Flaugher
- 👤 William E Keller
- 👤 John R Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:25
CPC Classifications
F; F16; F16H; F16H35/00; G; G07; G07C; G07C5/00; G07C5/08; G07C5/0808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
AN APPARATUS FOR TESTING AND INDICATING THE SPEED OR REVOLUTIONS PER MINUTE AT WHICH AN ENGINE HAVING DISTRIBUTOR MEANS AND SPARK PLUGS IS OPERATING, SAID APPARATUS COMPRISING, IN COMBINATION: (A) A LIGHT EMITTING TUBE OR LAMP ARRANGED TO PROVIDE LIGHT PULSES IN RESPONSE TO ELECTRICAL PULSES; (B) SAID TUBE BEING ELECTRICALLY CONNECTED TO SAID DISTRIBUTOR MEANS AND AN ASSOCIATED SPARK PLUG; (C) MEANS CONNECTABLE TO SAID DISTRIBUTOR MEANS FOR COUPLING ELECTRICAL PULSES DEVELOPED BY SAID DISTRIBUTOR MEANS TO SAID LIGHT EMITTING TUBE AND TO SAID ASSOCIATED SPARK PLUG, SAID TUBE BEING CONNECTED TO COUPLE AN ELECTRICAL PULSE TO SAID ASSOCIATED SPARK PLUG AND TO CONCURRENTLY EMIT A LIGHT PULSE EACH TIME SAID DISTRIBUTOR MEANS PROVIDES AN ELECTRICAL PULSE THERETO;
Claim 2
Independent Claim
119 words
AN APPARATUS FOR TESTING AND INDICATING THE SPEED OR REVOLUTIONS PER MINUTE AT WHICH AN ENGINE HAVING DISTRIBUTOR MEANS AND SPARK PLUGS IS OPERATING, SAID APPARATUS COMPRISING, IN COMBINATION: (A) A LIGHT EMITTING TUBE OR LAMP ARRANGED TO PROVIDE LIGHT PULSES IN RESPONSE TO ELECTRICAL PULSES; (B) SAID TUBE BEING ELECTRICALLY CONNECTED TO SAID DISTRIBUTOR MEANS AND AN ASSOCIATED SPARK PLUG; (C) MEANS CONNECTABLE TO SAID DISTRIBUTOR MEANS FOR COUPLING ELECTRICAL PULSES DEVELOPED BY SAID DISTRIBUTOR MEANS TO SAID LIGHT EMITTING TUBE AND TO SAID ASSOCIATED SPARK PLUG, SAID TUBE BEING CONNECTED TO COUPLE AN ELECTRICAL PULSE TO SAID ASSOCIATED SPARK PLUG AND TO CONCURRENTLY EMIT A LIGHT PULSE EACH TIME SAID DISTRIBUTOR MEANS PROVIDES AN ELECTRICAL PULSE THERETO;
References Cited (Backward Citations)
US880074A
Cited
US2065426A
Cited
US2474312A
Cited
US2664335A
Cited
US2805113A
Cited
US2912863A
Cited
US3068700A
Cited
US2825048A
Cited
US2929023A
Cited
US3004818A
Cited
US3134943A
Cited
US3090005A
Cited
US3104550A
Cited
US3178927A
Cited
US3157047A
Cited
US3205434A
Cited
US3198981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |