US3104067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for supporting a lighting fixture
Assignee: Individual
•
Filing: 1958-08-19
•
Granted: 1963-09-17
•
Expires: 1978-08-19
Abstract
No abstract record available.
Inventors
- 👤 Theophile A Stiffel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:26
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/26; F21V21/28; F21V21/29; F21V23/00; F21V23/001; F21V23/002; Y; Y10; Y10S; Y10S285/00; Y10S285/907; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32803
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A DEVICE FOR ATTACHMENT TO A LIGHTING FIXTURE AND A SUPPORTING STRUCTURE, SAID DEVICE COMPRISING A CENTRAL CYLINDRICAL CASING, A SLEEVE SECURED WITHIN SAID CASING, SAID SLEEVE HAVING STOP MEANS AT EACH OF THE OPPOSITE ENDS THEREOF, A RACEWAY SUPPORTED WITHIN EACH OF THE OPPOSITE ENDS OF SAID SLEEVE, A SINGLE SPRING WITHIN SAID SLEEVE WITH THE OPPOSITE ENDS OF SAID SPRING BEARING AGAINST SAID RACEWAYS AND URGING SAID RACEWAYS OUTWARDLY, AN INNER STEM HAVING A BALL SHAPED HEAD SECURED WITHIN ONE OF SAID RACEWAYS AND ADAPTED FOR ATTACHMENT AT ITS OUTER END TO A SUPPORTING STRUCTURE, MEANS COOPERATING WITH SAID BALL SHAPED HEAD ADAPTED TO ENGAGE THE ADJACENT STOP MEANS ON SAID SLEEVE, AN OUTER STEM HAVING A BALL SHAPED HEAD SECURED WITHIN THE OTHER RACEWAY AND ADAPTED FOR ATTACHMENT AT ITS OUTER END TO A LIGHTING FIXTURE, MEANS COOPERATING WITH SAID LAST MENTIONED BALL SHAPED HEAD ADAPTED TO ENGAGE THE ADJACENT STOP MEANS IN SAID SLEEVE, SAID AFOREMENTIONED STOP MEANS LIMITING ROTATION TO LESS THAN A COMPLETE REVOLUTION OF SAID CENTRAL CASING WITH RESPECT TO SAID INNER STEM AND LIMITING ROTATION TO LESS THAN A COMPLETE REVOLUTION OF SAID OUTER STEM WITH RESPECT TO SAID CENTRAL CASING.
Claim 2
Independent Claim
199 words
A DEVICE FOR ATTACHMENT TO A LIGHTING FIXTURE AND A SUPPORTING STRUCTURE, SAID DEVICE COMPRISING A CENTRAL CYLINDRICAL CASING, A SLEEVE SECURED WITHIN SAID CASING, SAID SLEEVE HAVING STOP MEANS AT EACH OF THE OPPOSITE ENDS THEREOF, A RACEWAY SUPPORTED WITHIN EACH OF THE OPPOSITE ENDS OF SAID SLEEVE, A SINGLE SPRING WITHIN SAID SLEEVE WITH THE OPPOSITE ENDS OF SAID SPRING BEARING AGAINST SAID RACEWAYS AND URGING SAID RACEWAYS OUTWARDLY, AN INNER STEM HAVING A BALL SHAPED HEAD SECURED WITHIN ONE OF SAID RACEWAYS AND ADAPTED FOR ATTACHMENT AT ITS OUTER END TO A SUPPORTING STRUCTURE, MEANS COOPERATING WITH SAID BALL SHAPED HEAD ADAPTED TO ENGAGE THE ADJACENT STOP MEANS ON SAID SLEEVE, AN OUTER STEM HAVING A BALL SHAPED HEAD SECURED WITHIN THE OTHER RACEWAY AND ADAPTED FOR ATTACHMENT AT ITS OUTER END TO A LIGHTING FIXTURE, MEANS COOPERATING WITH SAID LAST MENTIONED BALL SHAPED HEAD ADAPTED TO ENGAGE THE ADJACENT STOP MEANS IN SAID SLEEVE, SAID AFOREMENTIONED STOP MEANS LIMITING ROTATION TO LESS THAN A COMPLETE REVOLUTION OF SAID CENTRAL CASING WITH RESPECT TO SAID INNER STEM AND LIMITING ROTATION TO LESS THAN A COMPLETE REVOLUTION OF SAID OUTER STEM WITH RESPECT TO SAID CENTRAL CASING.
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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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |