US3081845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-way adjustable timing device
Assignee: Schneider Electric USA Inc
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Filing: 1961-05-22
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Granted: 1963-03-19
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Expires: 1981-05-22
Abstract
No abstract record available.
Inventors
- 👤 Jordan F Puetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:12
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/24; H01H43/28; H01H43/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A TIMING DEVICE COMPRISING A PAIR OF BELLOWS, BELLOWS OPERATING MEANS OPERABLE SELECTIVELY FOR CONCURRENTLY EXPANDING ONE BELLOWS AND COMPRISING IN THE OTHER BELLOWS, AND FOR CONCURRENTLY COMPRESSING SAID ONE BELLOWS AND EXPANDING SAID OTHER BELLOWS, SAID BELLOWS HAVING EXHAUST PORTS, RESPECTIVELY, VALVE MEANS FOR THE PORTS, RESPECTIVELY, SETTABLE MEANS CONNECTED TO THE VALVE MEANS AND OPERABLE INDEPENDENTLY OF THE BELLOWS OPERATING MEANS AND OF THE CONDITION OF THE BELLOWS RELATIVE TO EACH OTHER FOR SETTING THE VALVE MEANS IN TWO OPERATIVE POSITIONS IN ONE OF WHICH ONE PORT IS IN OPEN CONDITION AND THE OTHER IN SEALED CONDITION, AND IN THE OTHER OF WHICH SAID ONE PORT IS IN SEALED CONDITION AND THE OTHER PORT IS IN OPEN CONDITION, EACH BELLOWS HAVING A RESTRICTED DISCHARGE PASSAGE WITH SMALLER FLOW CAPACITY THAN ITS EXHAUST PORT, AND MEANS FOR CONNECTING THE OPERATING MEANS TO EQUIPMENT TO BE TIMED.
Claim 2
Dependent Claim
147 words
A TIMING DEVICE COMPRISING A PAIR OF BELLOWS, BELLOWS OPERATING MEANS OPERABLE SELECTIVELY FOR CONCURRENTLY EXPANDING ONE BELLOWS AND COMPRISING IN THE OTHER BELLOWS, AND FOR CONCURRENTLY COMPRESSING SAID ONE BELLOWS AND EXPANDING SAID OTHER BELLOWS, SAID BELLOWS HAVING EXHAUST PORTS, RESPECTIVELY, VALVE MEANS FOR THE PORTS, RESPECTIVELY, SETTABLE MEANS CONNECTED TO THE VALVE MEANS AND OPERABLE INDEPENDENTLY OF THE BELLOWS OPERATING MEANS AND OF THE CONDITION OF THE BELLOWS RELATIVE TO EACH OTHER FOR SETTING THE VALVE MEANS IN TWO OPERATIVE POSITIONS IN ONE OF WHICH ONE PORT IS IN OPEN CONDITION AND THE OTHER IN SEALED CONDITION, AND IN THE OTHER OF WHICH SAID ONE PORT IS IN SEALED CONDITION AND THE OTHER PORT IS IN OPEN CONDITION, EACH BELLOWS HAVING A RESTRICTED DISCHARGE PASSAGE WITH SMALLER FLOW CAPACITY THAN ITS EXHAUST PORT, AND MEANS FOR CONNECTING THE OPERATING MEANS TO EQUIPMENT TO BE TIMED.
References Cited (Backward Citations)
US2103378A
Cited
FR1075522A
Cited
US2966668A
Cited
US2904330A
Cited
US2970336A
Cited
US2991992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |