US3251971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable door switch
Assignee: United Carr Inc
•
Filing: 1964-04-06
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Granted: 1966-05-17
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Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Robert W Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:24
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/02; H01H3/16; H01H3/166; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49876
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A SWITCH COMPRISING A SWITCH CASING, AN ADAPTOR MOUNTED IN SAID CASING, SAID ADAPTOR HAVING TWO TERMINAL ENDS AND HAVING A SHOULDER ELEMENT EXTENDING THEREFROM BETWEEN SAID TERMINAL ENDS, DIVIDING SAID ADAPTOR INTO AN UPPER PORTION AND A LOWER PORTION, SAID UPPER PORTION HAVING A SERIES OF TEETH EXTENDING THEREFROM, A PLUNGER, HAVING A PORTION THEREOF, IN MOVABLE ENGAGED RELATION WITH SAID UPPER PORTION AND A COMPRESSION SPRING CIRCUMSCRIBING A PORTION OF SAID LOWER PORTION AND BEING SANDWICHED BETWEEN SAID SHOULDER ELEMENT AND A PORTION OF SAID SWITCH BODY AND A CONTACT MEANS CAPABLE OF BEING ACTUATED BY SAID ADAPTOR.
Claim 2
Dependent Claim
100 words
A SWITCH COMPRISING A SWITCH CASING, AN ADAPTOR MOUNTED IN SAID CASING, SAID ADAPTOR HAVING TWO TERMINAL ENDS AND HAVING A SHOULDER ELEMENT EXTENDING THEREFROM BETWEEN SAID TERMINAL ENDS, DIVIDING SAID ADAPTOR INTO AN UPPER PORTION AND A LOWER PORTION, SAID UPPER PORTION HAVING A SERIES OF TEETH EXTENDING THEREFROM, A PLUNGER, HAVING A PORTION THEREOF, IN MOVABLE ENGAGED RELATION WITH SAID UPPER PORTION AND A COMPRESSION SPRING CIRCUMSCRIBING A PORTION OF SAID LOWER PORTION AND BEING SANDWICHED BETWEEN SAID SHOULDER ELEMENT AND A PORTION OF SAID SWITCH BODY AND A CONTACT MEANS CAPABLE OF BEING ACTUATED BY SAID ADAPTOR.
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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |