US3218500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic material covered lamp with panel push-fit mounting means
Assignee: Lockheed Martin UK Ampthill Ltd
•
Filing: 1960-06-27
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Granted: 1965-11-16
•
Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 Wright Peter
- 👤 Noyce Sidney John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:26
CPC Classifications
F; F21; F21V; F21V31/00; F21V31/04; H; H01; H01K; H01K1/00; H01K1/28; H01K1/34; F21W; F21W2111/00; Y; Y02; Y02B; Y02B20/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AN ELECTRIC LAMP BULB COMPRISING A GLASS ENVELOPE, AN ELECTRICAL ELEMENT SEALED WITHIN SAID ENVELOPE, A UNITARY MOULDED CASING OF PLASTIC MATERIAL SUBSTANTIALLY COMPLETELY SURROUNDING SAID ENVELOPE AND COMPRISING A HOLDER PORTION GENERALLY OF THE SHAPE OF A FIGURE OF REVOLUTION AND AN ENLARGED HEAD PORTION, THERE BEING A STEP AT THE JUNCTION BETWEEN THE HEAD AND THE HOLDER PORTIONS, AND A PAIR OF ELECTRICAL LEADS PROJECTING FROM ONE END OF SAID HOLDER PORTION AND CONNECTED TO THE ELEMENT SEALED WITHIN THE ENVELOPE WHEREBY THE SAID HOLDER PORTION IS PUSH-FITTED INTO A HOLE OF A MOUNTING MEANS WITH SAID STEP ABUTTING AGAINST SAID MOUNTING MEANS.
Claim 2
Dependent Claim
105 words
AN ELECTRIC LAMP BULB COMPRISING A GLASS ENVELOPE, AN ELECTRICAL ELEMENT SEALED WITHIN SAID ENVELOPE, A UNITARY MOULDED CASING OF PLASTIC MATERIAL SUBSTANTIALLY COMPLETELY SURROUNDING SAID ENVELOPE AND COMPRISING A HOLDER PORTION GENERALLY OF THE SHAPE OF A FIGURE OF REVOLUTION AND AN ENLARGED HEAD PORTION, THERE BEING A STEP AT THE JUNCTION BETWEEN THE HEAD AND THE HOLDER PORTIONS, AND A PAIR OF ELECTRICAL LEADS PROJECTING FROM ONE END OF SAID HOLDER PORTION AND CONNECTED TO THE ELEMENT SEALED WITHIN THE ENVELOPE WHEREBY THE SAID HOLDER PORTION IS PUSH-FITTED INTO A HOLE OF A MOUNTING MEANS WITH SAID STEP ABUTTING AGAINST SAID MOUNTING MEANS.
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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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |