Patent US2162407A successfully refreshed from Google Patents.
Patent US3270237A successfully refreshed from Google Patents.
US3270237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lamp with single ended pinch seal
Assignee: General Electric Co
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Filing: 1963-06-26
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Granted: 1966-08-30
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Expires: 1983-06-26
Abstract
No abstract record available.
Inventors
- 👤 George K Danko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:42
CPC Classifications
H; H01; H01K; H01K3/00; H01K3/22; H01K1/00; H01K1/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN ELECTRIC LAMP COMPRISING A GLASS ENVELOPE CONTAINING A LIGHT SOURCE AND HAVING ITS END CLOSED BY A FLATTENED PINCH SEAL, A PAIR OF LEAD-IN CONDUCTORS EXTENDING LONGITUDINALLY THROUGH SAID SEAL FROM SAID LIGHT SOURCE, AND A RESIDUE OF GLASS EXHAUST TUBING SEALED IN AND EXTENDING LONGITUDINALLY THROUGH SAID PINCH SEAL AND DEFINING A PASSAGE TO THE INTERIOR OF SAID ENVELOPE, THE WALLS OF SAID PASSAGE BEING COLLAPSED AND SEALED AT A LOCALIZED AREA REMOTE FROM THE OUTER END OF SAID PINCH SEAL AND CLOSELY CONTIGUOUS TO THE INTERIOR OF SAID ENVELOPE.
Claim 2
Dependent Claim
92 words
AN ELECTRIC LAMP COMPRISING A GLASS ENVELOPE CONTAINING A LIGHT SOURCE AND HAVING ITS END CLOSED BY A FLATTENED PINCH SEAL, A PAIR OF LEAD-IN CONDUCTORS EXTENDING LONGITUDINALLY THROUGH SAID SEAL FROM SAID LIGHT SOURCE, AND A RESIDUE OF GLASS EXHAUST TUBING SEALED IN AND EXTENDING LONGITUDINALLY THROUGH SAID PINCH SEAL AND DEFINING A PASSAGE TO THE INTERIOR OF SAID ENVELOPE, THE WALLS OF SAID PASSAGE BEING COLLAPSED AND SEALED AT A LOCALIZED AREA REMOTE FROM THE OUTER END OF SAID PINCH SEAL AND CLOSELY CONTIGUOUS TO THE INTERIOR OF SAID ENVELOPE.
References Cited (Backward Citations)
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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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |