Patent US3286116A successfully refreshed from Google Patents.
US3286116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric incandescent lamp filament support
Assignee: General Electric Co
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Filing: 1964-07-01
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Granted: 1966-11-15
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Expires: 1984-07-01
Abstract
No abstract record available.
Inventors
- 👤 Robert N Malm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:48
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/18; H01K1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
AN ELECTRIC INCANDESCENT LAMP COMPRISING A VITREOUS ENVELOPE, A PAIR OF LEAD-IN CONDUCTORS EXTENDING INTO AND HERMETICALLY SEALED WITHIN SAID ENEVELOPE, A COIL REFRACTORY METAL WIRE FILAMENT DISPOSED IN SAID CONDUSTORS, AND ELECTRICALLY CONNECTED AT ITS ENDS TO SAID CONDUCTORS, AND A SUPPLEMENTARY SUPPORT FOR SAID FILAMENT COMPRISING A PAIR OF REFRACTORY MEAL SUPPORT RODS EXTENDING IN SIDE-BY-SIDE RELATION ACROSS AND POSITIONED ON OPPOSITE SIDES OF SAID FILAMENT AND ANCHORED AT THEIR OPPOSITE ENDS TO THE WALL OF SAID ENVELOPE, AND WIRE COIL MEANS TIGHTLY WOUND AROUND AND BINDING TOGETHER THE RESPCTIVE END PORTIONS OF THE SIDE-BY-SIDE SUPPORT RODS AT EACH SIDE OF SAID FILAMENT TO THEREBY TIGHTLY CLAMP THE FILAMENT THEREBETWEEN.
Claim 2
Dependent Claim
112 words
AN ELECTRIC INCANDESCENT LAMP COMPRISING A VITREOUS ENVELOPE, A PAIR OF LEAD-IN CONDUCTORS EXTENDING INTO AND HERMETICALLY SEALED WITHIN SAID ENEVELOPE, A COIL REFRACTORY METAL WIRE FILAMENT DISPOSED IN SAID CONDUSTORS, AND ELECTRICALLY CONNECTED AT ITS ENDS TO SAID CONDUCTORS, AND A SUPPLEMENTARY SUPPORT FOR SAID FILAMENT COMPRISING A PAIR OF REFRACTORY MEAL SUPPORT RODS EXTENDING IN SIDE-BY-SIDE RELATION ACROSS AND POSITIONED ON OPPOSITE SIDES OF SAID FILAMENT AND ANCHORED AT THEIR OPPOSITE ENDS TO THE WALL OF SAID ENVELOPE, AND WIRE COIL MEANS TIGHTLY WOUND AROUND AND BINDING TOGETHER THE RESPCTIVE END PORTIONS OF THE SIDE-BY-SIDE SUPPORT RODS AT EACH SIDE OF SAID FILAMENT TO THEREBY TIGHTLY CLAMP THE FILAMENT THEREBETWEEN.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |