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Patent US3301481A successfully refreshed from Google Patents.
US3301481A
Expired / Lapsed
US
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Temperature control signal programmer
Assignee: Varian Aerograph
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Filing: 1964-01-29
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Granted: 1967-01-31
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Expires: 1984-01-29
Abstract
No abstract record available.
Inventors
- 👤 Jonathan W Amy
- 👤 Leo H Soderholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:53
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/1902; G05D23/1904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
APPARATUS FOR GENERATING A TIME VARYING SIGNAL FOR CONTROLLING AN AMBIENT CONDITION REGULATOR OF THE TYPE THAT REGULATES AN AMBIENT CONDITION IN RESPONSE TO THE AMPLITUDE OF AN ELECTRICAL CONTROL SIGNAL FED THERETO, COMPRISING A SOLION CONSTRUCTED AND ARRANGED TO PROVIDE A CONTROL SIGNAL TO CONTROL THE AMBIENT CONDITION REGULATOR HAVING AN AMPLITUDE WHICH IS A FUNCTION OF THE TIME INTEGRAL OF THE AMPLITUDE OF ITS INPUT D.C. SIGNAL, D.C. SIGNAL PRODUCING MEANS TO PRODUCE A PLURALITY OF CONSTANT AMPLITUDE D.C. INPUT SIGNALS, SWITCHING MEANS TO SEQUENTIALLY CONNECT EACH OF THE D.C. INPUT SIGNALS FROM SAID SIGNAL PRODUCING MEANS TO SAID SOLION, AND TIMING MEANS CONNECTED TO SAID SWITCHING MEANS OPERABLE TO CAUSE SAID SWITCHING MEANS TO SEQUENCE AT PREDETERMINED TIME INTERVALS.
Claim 2
Dependent Claim
122 words
APPARATUS FOR GENERATING A TIME VARYING SIGNAL FOR CONTROLLING AN AMBIENT CONDITION REGULATOR OF THE TYPE THAT REGULATES AN AMBIENT CONDITION IN RESPONSE TO THE AMPLITUDE OF AN ELECTRICAL CONTROL SIGNAL FED THERETO, COMPRISING A SOLION CONSTRUCTED AND ARRANGED TO PROVIDE A CONTROL SIGNAL TO CONTROL THE AMBIENT CONDITION REGULATOR HAVING AN AMPLITUDE WHICH IS A FUNCTION OF THE TIME INTEGRAL OF THE AMPLITUDE OF ITS INPUT D.C. SIGNAL, D.C. SIGNAL PRODUCING MEANS TO PRODUCE A PLURALITY OF CONSTANT AMPLITUDE D.C. INPUT SIGNALS, SWITCHING MEANS TO SEQUENTIALLY CONNECT EACH OF THE D.C. INPUT SIGNALS FROM SAID SIGNAL PRODUCING MEANS TO SAID SOLION, AND TIMING MEANS CONNECTED TO SAID SWITCHING MEANS OPERABLE TO CAUSE SAID SWITCHING MEANS TO SEQUENCE AT PREDETERMINED TIME INTERVALS.
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) | 1970-01-30 | 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 |