US3245728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed changing systems
Assignee: Siemens Mobility Ltd
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Filing: 1962-08-27
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Granted: 1966-04-12
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Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 William H Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:54
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/17; B60T8/1701; B60T8/1705; B60T7/00; B60T7/12; B60T7/128; B60T2230/00; B60T2230/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A SYSTEM FOR PROVIDING A CHANGE OF SPEED OF A BODY OVER A PREDETERMINED DISTANCE OF TRAVEL ALONG A ROUTE FROM ITS EXISTING SPEED TO A PREDETERMINED SPEED, INCLUDING MEANS FOR APPLYING A CONTROL SIGNAL TO THE BODY AT A PREDETERMINED POINT ON SAID ROUTE, CONTROL MEANS RESPONSIVE TO SAID SIGNAL FOR CAUSING THE APPLICATION OF SPEED CHANGING FORCES TO THE BODY, SAID CONTROL MEANS INCLUDING MEANS FOR GENERATING A DISTANCE SIGNAL REPRESENTATIVE OF DISTANCE TRAVELLED FROM SAID POINT, MEANS FOR GENERATING A VELOCITY SIGNAL REPRESENTATIVE OF A POWER OF THE INSTANTANEOUS VELOCITY OF THE BODY ALONG THE ROUTE,
Claim 2
Independent Claim
99 words
A SYSTEM FOR PROVIDING A CHANGE OF SPEED OF A BODY OVER A PREDETERMINED DISTANCE OF TRAVEL ALONG A ROUTE FROM ITS EXISTING SPEED TO A PREDETERMINED SPEED, INCLUDING MEANS FOR APPLYING A CONTROL SIGNAL TO THE BODY AT A PREDETERMINED POINT ON SAID ROUTE, CONTROL MEANS RESPONSIVE TO SAID SIGNAL FOR CAUSING THE APPLICATION OF SPEED CHANGING FORCES TO THE BODY, SAID CONTROL MEANS INCLUDING MEANS FOR GENERATING A DISTANCE SIGNAL REPRESENTATIVE OF DISTANCE TRAVELLED FROM SAID POINT, MEANS FOR GENERATING A VELOCITY SIGNAL REPRESENTATIVE OF A POWER OF THE INSTANTANEOUS VELOCITY OF THE BODY ALONG THE ROUTE,
References Cited (Backward Citations)
US1351822A
Cited
US3041449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |