US3256508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Base end structure for electric lamps or similar devices
Assignee: General Electric Co
•
Filing: 1964-05-01
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Granted: 1966-06-14
•
Expires: 1984-05-01
Abstract
No abstract record available.
Inventors
- 👤 Robert N Malm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:25
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/42; H01K1/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
AN ELECTRICAL DEVICE COMPRISING A SEALED ENVELOPE OF VITREOUS MATERIAL HAVING A PROTRUDING PRESS SEAL PORTION OF GENERALLY I-SHAPED TRANSVERSE SECTION, AT LEAST ONE LEAD-IN CONDUCTOR HERMETICALLY SEALED THROUGH SAID PRESS SEAL PORTION AND PROTRUDING ENDWISE THEREFROM, AND A METAL TERMINAL CONTACT MOUNTED ON SAID PRESS SEAL AND COMPRISING A CHANNEL-SHAPED SHEET METAL MEMBER HAVING A SNUG SLIP-FIT OVER ONE OF THE SIDE FLANGES OF SAID PRESS SEAL, SAID CONTACT MEMBER BEING RIGIDLY SECURED TO THE PROTRUDING PORTION OF SAID LEAD-IN CONDUCTOR AND HAVING AT LEAST ONE OF ITS OPPOSITE CHANNEL SIDES PROVIDED AT ITS INNER END WITH A LOCKING TONGUE PORTION LOCATED INBOARD OF SAID SIDE FLANGE, SAID LOCKING TONGUE PORTION BEING INDENTED TOWARD THE OPPOSITE CHANNEL SIDE OF THE CONTACT MEMBER TO THEREBY ENGAGE THE INBOARD SIDE OF SAID SIDE FLANGE TO SECURELY LOCK THE INNER END OF THE CONTACT MEMBER IN PLACE ON THE PRESS SEAL AGAINST SIDEWISE REMOVAL THEREFROM.
Claim 2
Dependent Claim
153 words
AN ELECTRICAL DEVICE COMPRISING A SEALED ENVELOPE OF VITREOUS MATERIAL HAVING A PROTRUDING PRESS SEAL PORTION OF GENERALLY I-SHAPED TRANSVERSE SECTION, AT LEAST ONE LEAD-IN CONDUCTOR HERMETICALLY SEALED THROUGH SAID PRESS SEAL PORTION AND PROTRUDING ENDWISE THEREFROM, AND A METAL TERMINAL CONTACT MOUNTED ON SAID PRESS SEAL AND COMPRISING A CHANNEL-SHAPED SHEET METAL MEMBER HAVING A SNUG SLIP-FIT OVER ONE OF THE SIDE FLANGES OF SAID PRESS SEAL, SAID CONTACT MEMBER BEING RIGIDLY SECURED TO THE PROTRUDING PORTION OF SAID LEAD-IN CONDUCTOR AND HAVING AT LEAST ONE OF ITS OPPOSITE CHANNEL SIDES PROVIDED AT ITS INNER END WITH A LOCKING TONGUE PORTION LOCATED INBOARD OF SAID SIDE FLANGE, SAID LOCKING TONGUE PORTION BEING INDENTED TOWARD THE OPPOSITE CHANNEL SIDE OF THE CONTACT MEMBER TO THEREBY ENGAGE THE INBOARD SIDE OF SAID SIDE FLANGE TO SECURELY LOCK THE INNER END OF THE CONTACT MEMBER IN PLACE ON THE PRESS SEAL AGAINST SIDEWISE REMOVAL THEREFROM.
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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |