Patent FR884238A successfully refreshed from Google Patents.
Patent US3130949A successfully refreshed from Google Patents.
US3130949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support for lighting and building fixtures and the like
Assignee: Century Lighting Inc
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Filing: 1962-07-02
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Granted: 1964-04-28
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Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 Erhardt Louis
- 👤 Jr Robert C Devinney
- 👤 Frederick M Wolff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:17
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/006; F; F21; F21S; F21S8/00; F21S8/02; F21S8/026; F21V; F21V21/00; F21V21/02; F21V21/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A FIXTURE MOUNTING RING COMPRISING: A SQUAT TUBULAR CIRCULAR SLEEVE DEFINING A LARGE CENTRAL OPENING, SAID SLEEVE HAVING AT THE LOWER END ONLY THEREOF A RADIALLY OUTWARDLY EXTENDING FLANGE FROM THE PERIPHERY OF WHICH AN ANNULAR DOWNWARDLY EXTENDING SHORT LIP DEPENDS, A SET OF EXTERNALLY LOCATED BOSSES PROTRUDING RADIALLY OUTWARDLY FROM THE SLEEVE, SAID BOSSES BEING OF T-SHAPED CROSS-SECTION AND RUNNING VERTICALLY AND UPWARDLY AWAY FROM THE FLANGE, SAID SLEEVE HAVING RADIALLY OUTWARDLY PROTRUDING OPEN-ENDED BOXES DEFINING A SET OF EXTERNAL VERTICAL SLOTS AND RADIALLY INWARDLY PROTRUDING OPEN-ENDED BOXES DEFINING A SET OF INTERNAL VERTICAL SLOTS, PLURAL PAIRS OF LUGS PROJECTING RADIALLY INWARDLY FROM THE SLEEVE, THE LUGS OF EACH PAIR BEING SITUATED AT DIFFERENT
Claim 2
Dependent Claim
115 words
A FIXTURE MOUNTING RING COMPRISING: A SQUAT TUBULAR CIRCULAR SLEEVE DEFINING A LARGE CENTRAL OPENING, SAID SLEEVE HAVING AT THE LOWER END ONLY THEREOF A RADIALLY OUTWARDLY EXTENDING FLANGE FROM THE PERIPHERY OF WHICH AN ANNULAR DOWNWARDLY EXTENDING SHORT LIP DEPENDS, A SET OF EXTERNALLY LOCATED BOSSES PROTRUDING RADIALLY OUTWARDLY FROM THE SLEEVE, SAID BOSSES BEING OF T-SHAPED CROSS-SECTION AND RUNNING VERTICALLY AND UPWARDLY AWAY FROM THE FLANGE, SAID SLEEVE HAVING RADIALLY OUTWARDLY PROTRUDING OPEN-ENDED BOXES DEFINING A SET OF EXTERNAL VERTICAL SLOTS AND RADIALLY INWARDLY PROTRUDING OPEN-ENDED BOXES DEFINING A SET OF INTERNAL VERTICAL SLOTS, PLURAL PAIRS OF LUGS PROJECTING RADIALLY INWARDLY FROM THE SLEEVE, THE LUGS OF EACH PAIR BEING SITUATED AT DIFFERENT
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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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |