US3269209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pushbutton interlocks
Assignee: Cutler Hammer Inc
•
Filing: 1964-08-04
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Granted: 1966-08-30
•
Expires: 1984-08-04
Abstract
No abstract record available.
Inventors
- 👤 Charles C Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:41
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/70; H01H13/72; H01H13/74; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20238; Y10T74/20244
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A PUSHBUTTON DEVICE, A SUPPORT HAVING AT LEAST TWO OPENINGS EXTENDING THERETHROUGH, PUSHBUTTON OPERATORS MOUNTED IN EACH OF SAID OPENINGS, A SLOT EXTENDING TRANSVERSELY BETWEEN SAID OPENINGS, A DISC HAVING A DIAMETER GREATER THAN THE LENGTH OF SAID SLOT BETWEEN SAID OPENINGS DISPOSED IN SAID SLOT, SPRINGS BEARING AT CORRESPONDING ENDS AGAINST EACH OF SAID PUSHBUTTONS, AND A PLATE SECURED TO SAID SUPPORT WHICH CLOSES THE OPENING SIDE OF SAID SLOT AND WHICH BEARS AGAINST THE OTHER ENDS OF SAID SPRINGS TO CAUSE
Claim 2
Dependent Claim
84 words
IN A PUSHBUTTON DEVICE, A SUPPORT HAVING AT LEAST TWO OPENINGS EXTENDING THERETHROUGH, PUSHBUTTON OPERATORS MOUNTED IN EACH OF SAID OPENINGS, A SLOT EXTENDING TRANSVERSELY BETWEEN SAID OPENINGS, A DISC HAVING A DIAMETER GREATER THAN THE LENGTH OF SAID SLOT BETWEEN SAID OPENINGS DISPOSED IN SAID SLOT, SPRINGS BEARING AT CORRESPONDING ENDS AGAINST EACH OF SAID PUSHBUTTONS, AND A PLATE SECURED TO SAID SUPPORT WHICH CLOSES THE OPENING SIDE OF SAID SLOT AND WHICH BEARS AGAINST THE OTHER ENDS OF SAID SPRINGS TO CAUSE
References Cited (Backward Citations)
US1040705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |