US3351802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single ended, quartz type incandescent lamp
Assignee: GTE Sylvania Inc
•
Filing: 1964-06-12
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Granted: 1967-11-07
•
Expires: 1984-06-12
Abstract
No abstract record available.
Inventors
- 👤 Paul E Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:41
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/38; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/24; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN INCANDESCENT LAMP COMPRISING: A TIPLESS QUARTZ GLASS ENVELOPE; A NECK SECTION DISPOSED AT ONE END OF SAID ENVELOPE; A MOUNT SUPPORT DISPOSED WITHIN SAID NECK SECTION AND SEALED TO SAID NECK SECTION, SAID MOUNT SUPPORT HAVING A CLOSED TOP; MEANS FORMING AN APERTURE IN SAID CLOSED TOP; AN EXHAUST TUBE SEALED AT ONE END AND DISPOSED WITHIN SAID MOUNT SUPPORT AND ATTACHED TO SAID MEANS, THE INTERIOR OF SAID TUBE BEING OPEN AT THE END AND IN COMMUNICATION WITH THE INTERIOR OF SAID ENVELOPE; A FILAMENT DISPOSED WITHIN SAID ENVELOPE; TWO MEANS TO CONDUCT CURRENT FROM AN EXTERNAL SOURCE THROUGH SAID SEAL AND TO SAID FILAMENT.
Claim 2
Dependent Claim
107 words
AN INCANDESCENT LAMP COMPRISING: A TIPLESS QUARTZ GLASS ENVELOPE; A NECK SECTION DISPOSED AT ONE END OF SAID ENVELOPE; A MOUNT SUPPORT DISPOSED WITHIN SAID NECK SECTION AND SEALED TO SAID NECK SECTION, SAID MOUNT SUPPORT HAVING A CLOSED TOP; MEANS FORMING AN APERTURE IN SAID CLOSED TOP; AN EXHAUST TUBE SEALED AT ONE END AND DISPOSED WITHIN SAID MOUNT SUPPORT AND ATTACHED TO SAID MEANS, THE INTERIOR OF SAID TUBE BEING OPEN AT THE END AND IN COMMUNICATION WITH THE INTERIOR OF SAID ENVELOPE; A FILAMENT DISPOSED WITHIN SAID ENVELOPE; TWO MEANS TO CONDUCT CURRENT FROM AN EXTERNAL SOURCE THROUGH SAID SEAL AND TO SAID FILAMENT.
References Cited (Backward Citations)
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Cited
US2159794A
Cited
US2169112A
Cited
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Cited
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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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |