Patent US3217153A successfully refreshed from Google Patents.
US3217153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminating device
Assignee: Individual
•
Filing: 1963-01-14
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Granted: 1965-11-09
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Expires: 1983-01-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph K Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:32
CPC Classifications
F; F21; F21S; F21S19/00; F21L; F21L14/00; F21V; F21V33/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
A CANDLE LAMP COMPRISING: A BODY PORTION HAVING A HOLLOW BASE AND AN OPEN TOP; A CANDLE MOUNTED IN SAID OPEN TOP FOR ILLUMINATING THE AREA IMMEDIATELY ADJACENT SAID LAMP; BATTERY MEANS HOUSED IN SAID HOLLOW BASE; ELECTRIC LAMP MEANS CONNECTED WITH SAID BATTERY MEANS BY CIRCUIT MEANS AND MOVABLE RELATIVE TO SAID BODY PORTION; SAID LAMP MEANS INCLUDING A HOUSING HAVING AN END WALL AND AN ELECTRIC LIGHT BULB LOCATED IN SAID END WALL; AND SWITCH MEANS CONNECTED IN SAID CIRCUIT MEANS TO ACTUATE SAID ELECTRIC BULB WHEN IT IS DESIRED TO SCAN PRINTED MATERIAL WITH SAID LAMP; SAID SWITCH MEANS COMPRISING A MERCURY SWITCH MOUNTED IN SAID HOUSING AND ORIENTED THEREIN IN A POSITION TO CLOSE SAID CIRCUIT MEANS ONLY WHEN SAID LAMP IS IN A SCANNING POSITION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |