US3099758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-powered interval timer
Assignee: ELECTRONIC PRODUCTS CORP
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Filing: 1960-09-16
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Granted: 1963-07-30
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Expires: 1980-09-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Pieczynski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:41
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; H03K17/292
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
IN COMBINATION WITH AN INTERVAL TIMER CIRCUIT, POWER SUPPLY MEANS THEREFOR INCLUDING A RECHARGEABLE BATTERY CONNECTED IN SERIES WITH A NORMALLY CLOSED FIRST SWITCH SECTION AND RECTIFIER, A PAIR OF EXTERNAL SUPPLY TERMINALS, SAID BATTERY, FIRST SWITCH SECTION AND RECTIFIER BEING CONNECTED ACROSS SAID EXTERNAL SUPPLY TERMINALS FOR CONSTANTLY RECHARGING SAID BATTERY, AND MEANS OPERATIVELY CONNECTED TO ONE OF SAID PAIR OF EXTERNAL SUPPLY TERMINALS AND RESPONSIVE TO THE APPLICATION OF A STARTING PULSE TO OPEN SAID FIRST SWITCH SECTION AND CLOSE A NORMALLY OPEN SECOND SWITCH SECTION CONNECTING SAID BATTERY ACROSS THE TIMER CIRCUIT FOR DISCHARGE ONLY DURING THE PREDETERMINED TIMING INTERVAL, SAID STARTING PULSE RESPONSIVE MEANS INCLUDING A FIRST RELAY COIL, SAID FIRST SWITCH SECTION MOVABLE TO AN OPEN POSITION IN RESPONSE TO THE ENERGIZATION OF SAID FIRST COIL FOR DISCONNECTING SAID BATTERY FROM ONE OF SAID PAIR OF EXTERNAL SUPPLY TERMINALS, SAID SECOND SWITCH SECTION MOVABLE TO A CLOSED POSITION IN RESPONSE TO THE ENERGIZATION OF SAID FIRST COIL FOR CONNECTING SAID BATTERY TO THE TIMER CIRCUIT.
Claim 2
Dependent Claim
170 words
IN COMBINATION WITH AN INTERVAL TIMER CIRCUIT, POWER SUPPLY MEANS THEREFOR INCLUDING A RECHARGEABLE BATTERY CONNECTED IN SERIES WITH A NORMALLY CLOSED FIRST SWITCH SECTION AND RECTIFIER, A PAIR OF EXTERNAL SUPPLY TERMINALS, SAID BATTERY, FIRST SWITCH SECTION AND RECTIFIER BEING CONNECTED ACROSS SAID EXTERNAL SUPPLY TERMINALS FOR CONSTANTLY RECHARGING SAID BATTERY, AND MEANS OPERATIVELY CONNECTED TO ONE OF SAID PAIR OF EXTERNAL SUPPLY TERMINALS AND RESPONSIVE TO THE APPLICATION OF A STARTING PULSE TO OPEN SAID FIRST SWITCH SECTION AND CLOSE A NORMALLY OPEN SECOND SWITCH SECTION CONNECTING SAID BATTERY ACROSS THE TIMER CIRCUIT FOR DISCHARGE ONLY DURING THE PREDETERMINED TIMING INTERVAL, SAID STARTING PULSE RESPONSIVE MEANS INCLUDING A FIRST RELAY COIL, SAID FIRST SWITCH SECTION MOVABLE TO AN OPEN POSITION IN RESPONSE TO THE ENERGIZATION OF SAID FIRST COIL FOR DISCONNECTING SAID BATTERY FROM ONE OF SAID PAIR OF EXTERNAL SUPPLY TERMINALS, SAID SECOND SWITCH SECTION MOVABLE TO A CLOSED POSITION IN RESPONSE TO THE ENERGIZATION OF SAID FIRST COIL FOR CONNECTING SAID BATTERY TO THE TIMER CIRCUIT.
References Cited (Backward Citations)
US2735966A
Cited
US2549854A
Cited
US2887592A
Cited
US3039177A
Cited
US2889472A
Cited
US3043989A
Cited
US2963596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |