Patent US3321248A successfully refreshed from Google Patents.
US3358136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dustproof lamp holder
Assignee: Pressac Ltd
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Filing: 1965-10-08
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Granted: 1967-12-12
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Expires: 1985-10-08
Abstract
No abstract record available.
Inventors
- 👤 Greasley Eric Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:23
CPC Classifications
B; B60; B60Q; B60Q3/00; B60Q3/10; Y; Y10; Y10T; Y10T403/00; Y10T403/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A LAMP HOLDER COMPRISING A BODY PART MADE OF SYNTHETIC PLASTICS MATERIAL, AN INTEGRAL LAMP-RECEIVING HEAD AT ONE END OF SAID BODY PART, SAID BEING CONSTITUTED BY A HOLLOW TUBULAR PORTION TURNED OUTWARDLY BACK UPON ITSELF, AN OUTWARDLY DIRECTED CIRCUMFERENTIAL COLLAR FORMED INTEGRALLY WITH SAID TURNED PORTION, AND SLOT FORMED IN SAID TURNED BACK PORTION AND THE COLLAR TO FORM A NUMBER OF CLOSELY DISPOSED SPRINGY CLAW-LIKE FINGERS DIRECTED AXIALLY OF THE HOLDER.
Claim 2
Dependent Claim
73 words
A LAMP HOLDER COMPRISING A BODY PART MADE OF SYNTHETIC PLASTICS MATERIAL, AN INTEGRAL LAMP-RECEIVING HEAD AT ONE END OF SAID BODY PART, SAID BEING CONSTITUTED BY A HOLLOW TUBULAR PORTION TURNED OUTWARDLY BACK UPON ITSELF, AN OUTWARDLY DIRECTED CIRCUMFERENTIAL COLLAR FORMED INTEGRALLY WITH SAID TURNED PORTION, AND SLOT FORMED IN SAID TURNED BACK PORTION AND THE COLLAR TO FORM A NUMBER OF CLOSELY DISPOSED SPRINGY CLAW-LIKE FINGERS DIRECTED AXIALLY OF THE HOLDER.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |