Patent US4344033A successfully refreshed from Google Patents.
Patent US3440647A successfully refreshed from Google Patents.
US3440647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-terminal indicator light having spring-biased terminals
Assignee: Individual
•
Filing: 1966-12-14
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Granted: 1969-04-22
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Expires: 1986-12-14
Abstract
No abstract record available.
Inventors
- 👤 Charles S Sloan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:39
CPC Classifications
G; G09; G09F; G09F9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN AN INDICATOR LIGHT HAVING A BODY ADAPTED TO BE FITTED WITH A LAMP THAT HAS TWO LONGITUDINALLY SPACED CONTACTS: (A) AN INSULATOR MOUNTED IN SAID BODY IN SPACED RELATION TO SAID CONTACTS, (B) TWO SPACED ELECTRICALLY-CONDUCTING TERMINALS CARRIED BY AND LONGITUDINALLY MOVABLE IN SAID INSULATOR, (C) EACH TERMINAL BEING PROVIDED WITH AN END TO BE ENGAGED BY ONE OF THE LAMP CONTACTS, (D) A FINGER ON EACH TERMINAL, SAID FINGERS BEING TRANSVERSELY SPACED AND EXTENDING FROM ONE TERMINAL TOWARD AND SPACED FROM THE OTHER TERMINAL, AND (E) SPRING-BIASED MEANS CARRIED BY SAID INSULATOR AND BIASED INTO ENGAGEMENT WITH SAID FINGERS OF THE TERMINALS TO LONGITUDINALLY MOVE ONE OF SAID TERMINALS TO ENGAGE ONE OF THE LAMP CONTACTS IN RESPONSE TO PRESSURE APPLIED ON THE FINGER OF A TERMINAL ENGAGED BY THE OTHER LAMP CONTACT.
Claim 2
Dependent Claim
135 words
IN AN INDICATOR LIGHT HAVING A BODY ADAPTED TO BE FITTED WITH A LAMP THAT HAS TWO LONGITUDINALLY SPACED CONTACTS: (A) AN INSULATOR MOUNTED IN SAID BODY IN SPACED RELATION TO SAID CONTACTS, (B) TWO SPACED ELECTRICALLY-CONDUCTING TERMINALS CARRIED BY AND LONGITUDINALLY MOVABLE IN SAID INSULATOR, (C) EACH TERMINAL BEING PROVIDED WITH AN END TO BE ENGAGED BY ONE OF THE LAMP CONTACTS, (D) A FINGER ON EACH TERMINAL, SAID FINGERS BEING TRANSVERSELY SPACED AND EXTENDING FROM ONE TERMINAL TOWARD AND SPACED FROM THE OTHER TERMINAL, AND (E) SPRING-BIASED MEANS CARRIED BY SAID INSULATOR AND BIASED INTO ENGAGEMENT WITH SAID FINGERS OF THE TERMINALS TO LONGITUDINALLY MOVE ONE OF SAID TERMINALS TO ENGAGE ONE OF THE LAMP CONTACTS IN RESPONSE TO PRESSURE APPLIED ON THE FINGER OF A TERMINAL ENGAGED BY THE OTHER LAMP CONTACT.
References Cited (Backward Citations)
US1434795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |