US4596944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric light bulb saving device
Assignee: Individual
•
Filing: 1984-03-28
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Granted: 1986-06-24
•
Expires: 2004-03-28
Abstract
Abstract In order to prolong the life of incandescent electric light bulbs, an arrangement is provided which consists of two bulbs, one of which constitutes a resistance for the second one. The lamp holder which accommodates the two bulbs comprises two sockets into each of which the base of one bulb is inserted, the two sockets being interconnected in series.
Inventors
- 👤 Illan Gorstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:45
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05; H01R33/22
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
71 words
A lighting arrangement for providing a predetermined rated light output corresponding to a predetermined wattage utilizing a predetermined voltage, comprising two incandescent light bulbs connected in series, wherein the rated wattage resistance of each bulb is selected to be a multiple of said predetermined wattage so that said two light bulbs together provide said predetermined rated light output and the bulbs have a longer life because of their lower current conduction.
Claim 2
Dependent Claim
71 words
A lighting arrangement for providing a predetermined rated light output corresponding to a predetermined wattage utilizing a predetermined voltage, comprising two incandescent light bulbs connected in series, wherein the rated wattage resistance of each bulb is selected to be a multiple of said predetermined wattage so that said two light bulbs together provide said predetermined rated light output and the bulbs have a longer life because of their lower current conduction.
Claim 3
Dependent Claim
43 words
The lighting arrangement claims in claim 1, comprising a lamp holder for accommodating said two light bulbs, said lamp holder comprising two sockets into which said two bulbs are inserted, and connecting means for connecting said two sockets in series with one another.
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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) | 1989-06-23 | 1989-12-23 | 1990-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-23 | 1993-12-23 | 1994-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-23 | 1997-12-23 | 1998-06-24 | $7700.00 | Window Closed / Lapsed |