Patent US3287555A successfully refreshed from Google Patents.
US3287555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic vehicle control system
Assignee: SPX Technologies Inc
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Filing: 1963-02-01
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Granted: 1966-11-22
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Expires: 1983-02-01
Abstract
No abstract record available.
Inventors
- 👤 Waltrus L Livingston
- 👤 Hughson J Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:29
CPC Classifications
B; B61; B61L; B61L3/00; B61L3/16; B61L3/22; B61L3/221; B60; B60L; B60L15/00; B60L15/40; B60L2200/00; B60L2200/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
THE COMBINATION WITH A VARIABLE SPEED POWER UNIT EQUIPPED WITH GOVERNOR MEANS WHICH ADJUSTS THE LOADING ON SAID POWER UNIT EACH TIME THE SPEED SETTING ON SAID POWER UNIT IS CHANGED TO PRODUCE A DIFFERENT POWER OUTPUT FROM SAID POWER UNIT, OF (A) REGISTERING MEANS FOR REGISTERING A DESIRED SPEED SETTING FOR SAID POWER UNIT, (B) STEPPING MEANS RESPONSIVE TO THE REGISTRATION OF SAID REGISTERING MEANS FOR ADJUSTING THE SPEED SETTING ON SAID POWER UNIT, AND (C) CONTROL MEANS RESPONSIVE TO THE CONDITION OF SAID GOVERNOR MEANS EFFECTIVE TO PERMIT SAID STEPPING MEANS TO ADJUST SAID SPEED SETTING ON THE POWER UNIT FROM A FIRST TO A SECOND VALUE DURING THE ADJUSTMENT OF SAID SPEED SETTING TO THE DESIRED SETTING REGISTERED BY SAID REGISTERING MEANS ONLY AFTER SAID GOVERNOR MEANS HAS PROPERLY ADJUSTED THE LOADING ON SAID POWER UNIT FOR SAID FIRST SPEED VALUE.
Claim 2
Dependent Claim
144 words
THE COMBINATION WITH A VARIABLE SPEED POWER UNIT EQUIPPED WITH GOVERNOR MEANS WHICH ADJUSTS THE LOADING ON SAID POWER UNIT EACH TIME THE SPEED SETTING ON SAID POWER UNIT IS CHANGED TO PRODUCE A DIFFERENT POWER OUTPUT FROM SAID POWER UNIT, OF (A) REGISTERING MEANS FOR REGISTERING A DESIRED SPEED SETTING FOR SAID POWER UNIT, (B) STEPPING MEANS RESPONSIVE TO THE REGISTRATION OF SAID REGISTERING MEANS FOR ADJUSTING THE SPEED SETTING ON SAID POWER UNIT, AND (C) CONTROL MEANS RESPONSIVE TO THE CONDITION OF SAID GOVERNOR MEANS EFFECTIVE TO PERMIT SAID STEPPING MEANS TO ADJUST SAID SPEED SETTING ON THE POWER UNIT FROM A FIRST TO A SECOND VALUE DURING THE ADJUSTMENT OF SAID SPEED SETTING TO THE DESIRED SETTING REGISTERED BY SAID REGISTERING MEANS ONLY AFTER SAID GOVERNOR MEANS HAS PROPERLY ADJUSTED THE LOADING ON SAID POWER UNIT FOR SAID FIRST SPEED VALUE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |