US3379894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable timer for a plurality of stations
Assignee: BARTROW Inc A CORP
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Filing: 1965-06-22
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Granted: 1968-04-23
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Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 Paul W Carsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:21
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/125; H01H43/128
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
157 words
A TIMER, COMPRISING: A PLURALITY OF OUTPUT TERMINALS; A MASTER SWITCH; A PLURALITY OF STATION SWITCHES CONNECTED IN A SERIES LOOP WITH SAID MASTER SWITCH, SAID STATION SWITCHES BEING SPACED FROM EACH OTHER AND FROM SAID MASTER SWITCH AND EACH OPENING SAID SERIES LOOP AND CONNECTING TO A DIFFERENT OUTPUT TERMINAL UPON OPERATION; MEANS FOR APPLYING ELECTRICAL POWER TO SAID MASTER SWITCH; FIRST MOVING MEANS FOR SUCCESSIVELY OPERATING SAID MASTER SWITCH FOR PREDETERMINED PERIODS OF TIME TO APPLY ELECTRICAL POWER TO SAID SERIES LOOP; SECOND MOVING MEANS SYNCHRONOUS WITH SAID FIRST MOVING MEANS FOR OPERATING EACH OF SAID PLURALITY OF STATION SWITCHES IN SUCCESSION FOR PREDETERMINED PERIODS OF TIME; AND MEANS FOR INDIVIDUALLY ADJUSTING THE SPACING BETWEEN EACH OF SAID STATION SWITCHES AND SAID MASTER SWITCH TO SELECTIVELY CONTROL THE TIME DURATION FOR WHICH SAID MASTER SWITCH AND EACH STATION SWITCH ARE SIMULTANEOUSLY OPERATING TO APPLY ELECTRICAL ENERGY TO THE OUTPUT TERMINAL ASSOCIATED WITH SAID STATION SWITCH.
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) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |