US3113883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impregnating a roll having a deformable porous periphery with varnish
Assignee: Millennium Petrochemicals Inc
•
Filing: 1959-02-09
•
Granted: 1963-12-10
•
Expires: 1979-02-09
Abstract
No abstract record available.
Inventors
- 👤 Albert L James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:39
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/24; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2935; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
THE METHOD OF FABRICATING AN EXTRUSION ROLL FOR PRODUCING PLASTIC FILM, WHICH COMPRISES, PROVIDING A ROLL BODY HAVING A DEFORMABLE POROUS RUBBER PERIPHERY, IMMERSING THE BODY WITHIN A BATH OF HIGH TEMPERATURE RESISTANT VARNISH WHILE SUBJECTING ITS PERIPHERY TO VACUUM TO REMOVE THE AIR AND DEPOSITING A COATING OF THE VARNISH UPON THE EVACUATED AREA, REMOVING THE ROLL FROM THE BATH AND VACUUM ZONE AND BAKING THE COATING TO PRODUCE A HARD EXTERNAL SURFACE THEREON, AND FINALLY BRUSHING SAID SURFACE TO A HIGH GLOSS WHILE PROVIDING HAIR LINES THEREON.
Claim 2
Independent Claim
89 words
THE METHOD OF FABRICATING AN EXTRUSION ROLL FOR PRODUCING PLASTIC FILM, WHICH COMPRISES, PROVIDING A ROLL BODY HAVING A DEFORMABLE POROUS RUBBER PERIPHERY, IMMERSING THE BODY WITHIN A BATH OF HIGH TEMPERATURE RESISTANT VARNISH WHILE SUBJECTING ITS PERIPHERY TO VACUUM TO REMOVE THE AIR AND DEPOSITING A COATING OF THE VARNISH UPON THE EVACUATED AREA, REMOVING THE ROLL FROM THE BATH AND VACUUM ZONE AND BAKING THE COATING TO PRODUCE A HARD EXTERNAL SURFACE THEREON, AND FINALLY BRUSHING SAID SURFACE TO A HIGH GLOSS WHILE PROVIDING HAIR LINES THEREON.
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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) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |