US3223225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collision prevention system
Assignee: General Electric Co
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Filing: 1962-09-25
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Granted: 1965-12-14
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Expires: 1982-09-25
Abstract
No abstract record available.
Inventors
- 👤 David B Clark
- 👤 Lawrence W Langley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:47
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/52; B65G47/68; B65G47/681
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN A SYSTEM FOR SUPPLYING ARTICLES TO A COMMON POINT BY MEANS OF A PLURALITY OF CONVEYING MEANS EACH MOVING AT A RESPECTIVE SPEED, THE IMPROVEMENT COMPRISING ARTICLE DETECTING MEANS ASSOCIATED WITH EACH OF SAID CONVEYING MEANS FOR INDICATING THE PRESENCE OF AN ARTICLE AT PREDETERMINED DISTANCES AHEAD OF SAID COMMON POINT, THE RESPECTIVE RATIOS OF SAID DISTANCE TO SAID SPEEDS BEING EQUAL, MEANS COUPLED TO SAID ARTICLE DETECTING MEANS FOR INDICATING THE SIMULTANEOUS DETECTION OF A PLURALITY OF SAID ARTICLES, AND MEANS COUPLED TO SAID INDICATING MEANS FOR RETARDING ALL BUT THE FIRST OF SAID DETECTED ARTICLES ONLY IN RESPONSE TO SAID SIMULTANEOUS DETECTION OF ARTICLES.
Claim 2
Dependent Claim
107 words
IN A SYSTEM FOR SUPPLYING ARTICLES TO A COMMON POINT BY MEANS OF A PLURALITY OF CONVEYING MEANS EACH MOVING AT A RESPECTIVE SPEED, THE IMPROVEMENT COMPRISING ARTICLE DETECTING MEANS ASSOCIATED WITH EACH OF SAID CONVEYING MEANS FOR INDICATING THE PRESENCE OF AN ARTICLE AT PREDETERMINED DISTANCES AHEAD OF SAID COMMON POINT, THE RESPECTIVE RATIOS OF SAID DISTANCE TO SAID SPEEDS BEING EQUAL, MEANS COUPLED TO SAID ARTICLE DETECTING MEANS FOR INDICATING THE SIMULTANEOUS DETECTION OF A PLURALITY OF SAID ARTICLES, AND MEANS COUPLED TO SAID INDICATING MEANS FOR RETARDING ALL BUT THE FIRST OF SAID DETECTED ARTICLES ONLY IN RESPONSE TO SAID SIMULTANEOUS DETECTION OF ARTICLES.
References Cited (Backward Citations)
US2880891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |