US3076892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diffusing means for use in connection with lighting fixtures
Assignee: Individual
•
Filing: 1956-03-14
•
Granted: 1963-02-05
•
Expires: 1976-03-14
Abstract
No abstract record available.
Inventors
- 👤 Theophile A Stiffel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:45
CPC Classifications
F; F21; F21V; F21V11/00; F21V11/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN COMBINATION, A FLOOR OR TABLE LAMP HAVING A VERTICAL POST FOR SUPPORTING LIGHT BULBS, A SHADE SUPPORTED ON SAID VERTICAL POST AND SURROUNDING SAID LIGHT BULBS, A HORIZONTALLY DISPOSED SUPPORTING MEMBER SECURED TO SAID POST BELOW THE LIGHT BULBS, A LIGHT DIFFUSING MEMBER SUPPORTED ON SAID SUPPORTING MEMBER ADJACENT THE LOWER END OF SAID SHADE, SAID LIGHT DIFFUSING MEMBER COMPRISING A GRID FORMED OF PLASTIC MATERIAL AND HAVING A PLURALITY OF LIGHT DIFFUSING SECTIONS AND A PLURALITY OF NON-LIGHT DIFFUSING SECTIONS, SAID LIGHT DIFFUSING SECTIONS BEING FORMED OF A NETWORK OF INTERCONNECTED RIBS AND SAID NONLIGHT DIFFUSING SECTIONS BEING FORMED OF A LESSER NUMBER OF RIBS, SAID LIGHT DIFFUSING MEMBER BEING MANUALLY ROTATABLE ON SAID SUPPORTING MEMBER TO POSITION SAME IN RELATION TO SAID LIGHT BULBS IN EITHER LIGHT DIFFUSING OR NONLIGHT DIFFUSING POSITIONS.
Claim 2
Dependent Claim
135 words
IN COMBINATION, A FLOOR OR TABLE LAMP HAVING A VERTICAL POST FOR SUPPORTING LIGHT BULBS, A SHADE SUPPORTED ON SAID VERTICAL POST AND SURROUNDING SAID LIGHT BULBS, A HORIZONTALLY DISPOSED SUPPORTING MEMBER SECURED TO SAID POST BELOW THE LIGHT BULBS, A LIGHT DIFFUSING MEMBER SUPPORTED ON SAID SUPPORTING MEMBER ADJACENT THE LOWER END OF SAID SHADE, SAID LIGHT DIFFUSING MEMBER COMPRISING A GRID FORMED OF PLASTIC MATERIAL AND HAVING A PLURALITY OF LIGHT DIFFUSING SECTIONS AND A PLURALITY OF NON-LIGHT DIFFUSING SECTIONS, SAID LIGHT DIFFUSING SECTIONS BEING FORMED OF A NETWORK OF INTERCONNECTED RIBS AND SAID NONLIGHT DIFFUSING SECTIONS BEING FORMED OF A LESSER NUMBER OF RIBS, SAID LIGHT DIFFUSING MEMBER BEING MANUALLY ROTATABLE ON SAID SUPPORTING MEMBER TO POSITION SAME IN RELATION TO SAID LIGHT BULBS IN EITHER LIGHT DIFFUSING OR NONLIGHT DIFFUSING POSITIONS.
References Cited (Backward Citations)
US337548A
Cited
US1309448A
Cited
FR549152A
Cited
US2017075A
Cited
US2349042A
Cited
US2369778A
Cited
US2767308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |