Patent US3797497A successfully refreshed from Google Patents.
US3144643A
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Push-button illuminating device
Assignee: Svenska AB Gasaccumulator
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Filing: 1961-11-09
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Granted: 1964-08-11
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Expires: 1981-11-09
Abstract
No abstract record available.
Inventors
- 👤 Andersson Percy Hugo Anders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:14
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0011; G02B6/0013; G02B6/0015; G02B6/002; G02B6/0021; G02B6/0081; G02B6/0095; H; H01; H01H; H01H13/00; H01H13/02; H01H13/023; H01H2219/00; H01H2219/054; H01H2219/06; H01H2219/062; H01H2219/0622; Y; Y10; Y10S; Y10S116/00; Y10S116/28; Y10S200/00; Y10S200/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
PUSH-BUTTON ASSEMBLY INCLUDING A PUSH-BUTTON OF LIGHT TRANSMITTING MATERIAL HAVING A VISIBLE END AND BEING AXIALLY DISPLACEABLE IN A HOUSING COMPRISING A SCREENING MEMBER SURROUNDING A PART OF THE PUSH-BUTTON, A LAMP DISPOSED LATERALLY OF THE PUSH-BUTTON, SAID PUSH-BUTTON HAVING LIGHT REFLECTING SURFACES LOCATED AT LEAST TWO AXIALLY DISPLACED POSITIONS OF THE PUSH-BUTTON FOR REFLECTING LIGHT FROM THE LAMP TO MUTUALLY DIFFERENT PARTS OF THE VISIBLE END OF THE PUSH-BUTTON, A FIRST ONE OF SAID REFLECTING SURFACES BEING ILLUMINATED BY THE LAMP IN A FIRST POSITION OF THE PUSH-BUTTON AND BEING SHIELDED FROM THE LAMP BY THE SCREENING MEMBER IN A SECOND POSITION
Claim 2
Dependent Claim
103 words
PUSH-BUTTON ASSEMBLY INCLUDING A PUSH-BUTTON OF LIGHT TRANSMITTING MATERIAL HAVING A VISIBLE END AND BEING AXIALLY DISPLACEABLE IN A HOUSING COMPRISING A SCREENING MEMBER SURROUNDING A PART OF THE PUSH-BUTTON, A LAMP DISPOSED LATERALLY OF THE PUSH-BUTTON, SAID PUSH-BUTTON HAVING LIGHT REFLECTING SURFACES LOCATED AT LEAST TWO AXIALLY DISPLACED POSITIONS OF THE PUSH-BUTTON FOR REFLECTING LIGHT FROM THE LAMP TO MUTUALLY DIFFERENT PARTS OF THE VISIBLE END OF THE PUSH-BUTTON, A FIRST ONE OF SAID REFLECTING SURFACES BEING ILLUMINATED BY THE LAMP IN A FIRST POSITION OF THE PUSH-BUTTON AND BEING SHIELDED FROM THE LAMP BY THE SCREENING MEMBER IN A SECOND POSITION
References Cited (Backward Citations)
US2585503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |