US3173735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capping of electric lamps
Assignee: Associated Electrical Industries Ltd
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Filing: 1961-11-24
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Granted: 1965-03-16
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Expires: 1981-11-24
Abstract
No abstract record available.
Inventors
- 👤 Fenn Henry Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:33
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/42; H01K1/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN ELECTRIC LAMP COMPRISING A BASE-PLATE OF VITREOUS MATERIAL, LEADS FOR SUPPORTING ENERGY CONVERTING MEANS SEALED THROUGH SAID BASE, A CYLINDRICAL METAL MEMBER SEALED END-ON TO SAID BASE-PLATE, SAID MEMBER HAVING AT LEAST ONE SLOT THEREIN, AND A CYLINDRICAL CAP HAVING INTEGRAL INSULATED TERMINALS ATTACHED TO THE ENERGY CONVERTING MEANS, SAID CAP BEING ARRANGED CLOSELY SURROUNDING SAID MEMBER AND HAVING A PROJECTION ENTERING SAID SLOT WHEREBY TO SECURE SAID CAP TO SAID BASE-PLATE THROUGH SAID MEMBER.
Claim 2
Dependent Claim
76 words
AN ELECTRIC LAMP COMPRISING A BASE-PLATE OF VITREOUS MATERIAL, LEADS FOR SUPPORTING ENERGY CONVERTING MEANS SEALED THROUGH SAID BASE, A CYLINDRICAL METAL MEMBER SEALED END-ON TO SAID BASE-PLATE, SAID MEMBER HAVING AT LEAST ONE SLOT THEREIN, AND A CYLINDRICAL CAP HAVING INTEGRAL INSULATED TERMINALS ATTACHED TO THE ENERGY CONVERTING MEANS, SAID CAP BEING ARRANGED CLOSELY SURROUNDING SAID MEMBER AND HAVING A PROJECTION ENTERING SAID SLOT WHEREBY TO SECURE SAID CAP TO SAID BASE-PLATE THROUGH SAID MEMBER.
References Cited (Backward Citations)
US1596492A
Cited
US1987427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |