Patent US3191087A successfully refreshed from Google Patents.
US3191087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk type fluorescent lamp
Assignee: Individual
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Filing: 1960-11-29
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Granted: 1965-06-22
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Expires: 1980-11-29
Abstract
No abstract record available.
Inventors
- 👤 Sugiyama Rinzo
- 👤 Kido Kenichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:48
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/30; H01J61/32; H01J61/322
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A FLUORESCENT LAMP COMPRISING A DISC SHAPE LAMP PORTION, SAID PORTION HAVING A CENTRAL OPENING AND BOUNDING WALLS, AND MEANS FOR SECURING SAID LAMP COMPRISING A BASE DETACHED FROM SAID LAMP PORTION AND INCLUDING SECURING MEANS FOR SECURING THE BASE INDEPENDENT OF THE LAMP PORTION, SAID BASE INCLUDING A PROJECTING PORTION EXTENDING THROUGH SAID CENTRAL OPENING, AND MEANS SUPPORTING SAID LAMP PORTION AND ENGAGEABLE WITH SAID PROJECTING PORTION TO SECURE THE LAMP PORTION AND THE BASE TOGETHER FOR UNITARY MOUNTING BY SAID SECURING MEANS.
Claim 2
Dependent Claim
84 words
A FLUORESCENT LAMP COMPRISING A DISC SHAPE LAMP PORTION, SAID PORTION HAVING A CENTRAL OPENING AND BOUNDING WALLS, AND MEANS FOR SECURING SAID LAMP COMPRISING A BASE DETACHED FROM SAID LAMP PORTION AND INCLUDING SECURING MEANS FOR SECURING THE BASE INDEPENDENT OF THE LAMP PORTION, SAID BASE INCLUDING A PROJECTING PORTION EXTENDING THROUGH SAID CENTRAL OPENING, AND MEANS SUPPORTING SAID LAMP PORTION AND ENGAGEABLE WITH SAID PROJECTING PORTION TO SECURE THE LAMP PORTION AND THE BASE TOGETHER FOR UNITARY MOUNTING BY SAID SECURING MEANS.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |