US3072769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism
Assignee: Illinois Tool Works Inc
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Filing: 1960-06-30
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Granted: 1963-01-08
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Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 John O Roeser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:52
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/12; H01H13/20; H01H13/14; H01H13/50; H01H13/506
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A SWITCH OPERATOR FOR USE WITH A SWITCH HAVING A SPRING MEMBER FOR CONTROLLING THE POSITION OF ITS CONTACTS, THE IMPROVEMENT COMPRISING A PLUNGER ARRANGED TO OPERATE SAID SPRING MEMBER TO CONTROL SAID CONTACTS, A SECOND PLUNGER IN COAXIAL RELATIONSHIP TO SAID FIRST PLUNGER, AND RELEASABLE CONTROL MEANS CHARACTERIZED AS BEING FOR RETAINING SAID SECOND PLUNGER IN PREDETERMINED RELATIONSHIP TO SAID FIRST PLUNGER SUCH THAT AN OBJECT MOVING SAID SECOND PLUNGER MOVES SAID FIRST PLUNGER TO OPERATE SAID SPRING MEMBER AND CONTACTS WHEREAFTER SAID SECOND PLUNGER IS RELEASED FROM SAID FIRST PLUNGER TO PERMIT SAID SPRING MEMBER AND CONTACTS TO BE RETURNED TO THEIR UNOPERATED CONDITION WHILE SAID SECOND PLUNGER IS STILL OPERATED BY SAID OBJECT.
Claim 2
Dependent Claim
117 words
IN A SWITCH OPERATOR FOR USE WITH A SWITCH HAVING A SPRING MEMBER FOR CONTROLLING THE POSITION OF ITS CONTACTS, THE IMPROVEMENT COMPRISING A PLUNGER ARRANGED TO OPERATE SAID SPRING MEMBER TO CONTROL SAID CONTACTS, A SECOND PLUNGER IN COAXIAL RELATIONSHIP TO SAID FIRST PLUNGER, AND RELEASABLE CONTROL MEANS CHARACTERIZED AS BEING FOR RETAINING SAID SECOND PLUNGER IN PREDETERMINED RELATIONSHIP TO SAID FIRST PLUNGER SUCH THAT AN OBJECT MOVING SAID SECOND PLUNGER MOVES SAID FIRST PLUNGER TO OPERATE SAID SPRING MEMBER AND CONTACTS WHEREAFTER SAID SECOND PLUNGER IS RELEASED FROM SAID FIRST PLUNGER TO PERMIT SAID SPRING MEMBER AND CONTACTS TO BE RETURNED TO THEIR UNOPERATED CONDITION WHILE SAID SECOND PLUNGER IS STILL OPERATED BY SAID OBJECT.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |