Patent US1557058A successfully refreshed from Google Patents.
Patent US3351689A successfully refreshed from Google Patents.
US3351689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making lamp shades
Assignee: Thomas Industries Inc
•
Filing: 1963-09-06
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Granted: 1967-11-07
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Expires: 1983-09-06
Abstract
No abstract record available.
Inventors
- 👤 Rudolph A Bushcott
- 👤 Elmer E Waldmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:34
CPC Classifications
F; F21; F21V; F21V1/00; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A METHOD OF MAKING A LAMP SHADE COMPRISING THE STEPS OF: PLACING ON A HORIZONTAL SUPPORTIN SURFACE A GENERALLY CIRCULAR MOLD COMPRESED OF A THIN FLEXIBLE METAL SHEET FORMED WITH AN OPEN SECTOR AND HAVING AN UPSTANDING WALL ABOUT THE OUTER PERIPHERY THEREOF, POURING A THERMOSETTING RESIN INTO SAID MOLD, SPREADING OUT A SHEET OF HONEYCOMB MATERIAL INTO THE SHAPE OF SAID MODL AND INTO SAID RESIN WITH THE LOWER EDGES THEREOF IN CONTACT WITH THE SURFACE OF SAID METAL SHEET, ALLOWING SAID RESIN TO JELL, REMOVING THE PORITON OF THE UPSTANDING WALL ALONG THE RADIAL EDGES OF SAID MOLD, BENDING SAID MOLD INTO A TRUNCATED CONE AND BRINGING THE RADIAL EDGES OF SAID HONEYCOMB MATERIAL INTO ABUTTING RELATION WHEREBY A SEAM IS DEFINED, POURING THERMOSETTING RESIN INTO SAID SEAM ALONG THE ABUTTING RADIAL EDGES OF SAID HONEYCOMB MATERIAL, ALLOWING SAID RESIN ALONG SAID SEAM TO JELL TO COMPLETE A SHADE FORM, AND CURING SAID RESIN TO THEREBY RIGIDIFY SAID SHADE FORM INTO A SHADE.
Claim 2
Independent Claim
165 words
A METHOD OF MAKING A LAMP SHADE COMPRISING THE STEPS OF: PLACING ON A HORIZONTAL SUPPORTIN SURFACE A GENERALLY CIRCULAR MOLD COMPRESED OF A THIN FLEXIBLE METAL SHEET FORMED WITH AN OPEN SECTOR AND HAVING AN UPSTANDING WALL ABOUT THE OUTER PERIPHERY THEREOF, POURING A THERMOSETTING RESIN INTO SAID MOLD, SPREADING OUT A SHEET OF HONEYCOMB MATERIAL INTO THE SHAPE OF SAID MODL AND INTO SAID RESIN WITH THE LOWER EDGES THEREOF IN CONTACT WITH THE SURFACE OF SAID METAL SHEET, ALLOWING SAID RESIN TO JELL, REMOVING THE PORITON OF THE UPSTANDING WALL ALONG THE RADIAL EDGES OF SAID MOLD, BENDING SAID MOLD INTO A TRUNCATED CONE AND BRINGING THE RADIAL EDGES OF SAID HONEYCOMB MATERIAL INTO ABUTTING RELATION WHEREBY A SEAM IS DEFINED, POURING THERMOSETTING RESIN INTO SAID SEAM ALONG THE ABUTTING RADIAL EDGES OF SAID HONEYCOMB MATERIAL, ALLOWING SAID RESIN ALONG SAID SEAM TO JELL TO COMPLETE A SHADE FORM, AND CURING SAID RESIN TO THEREBY RIGIDIFY SAID SHADE FORM INTO A SHADE.
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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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |