US3322601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for producing light polarizing panels and method
Assignee: PC Inc
•
Filing: 1962-08-31
•
Granted: 1967-05-30
•
Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Herbert K Wong
- 👤 John G Yee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:06
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/30; G02B5/3025; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T156/1048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A MACHINE FOR LAMINATING A LIGHT TRANSMITTING TOP SHEET, A LIGHT TRANSMITTING BOTTOM SHEET AND AN INTERMEDIATE LIGHT POLARIZING MEMBER INTO A LIGHT POLARIZING PANEL COMPRISING IN COMBINATION A TOP FRAME MEMBER, A BOTTOM FRAME MEMBER, SPACED INNER AND OUTER GASKET MEANS CARRIED BY SAID TOP AND BOTTOM FRAME MEMBERS TO FORM A SUBSTANTIALLY AIR TIGHT ENCLOSURE BETWEEN THE FRAME AND MEMBRS, AND ELONGATED BAR DISPOSED BETWEEN THE TOP AND BOTTOM SHEETS AND RECEIVED BETWEEN THE INNER GASKET MEANS, A PLURALITY OF TRANSVERSE BORES IN THE SAID BAR CONNECTING THE SPACE BETWEEN THE TOP AND BOTTOM SHEETS AND THE SPACE BETWEEN THE INENR AND OUTER GASKETS, MEANS TO APPLY A VACUUM SOURCE TO THE FRAME TO SUBSTANTIALLY REMOVE THE AIR FROM BETWEEN THE SHEETS AND LIGHT POLARIZING MEMBER, AND MEANS TO APPLY HEAT TO THE ASSEMBLY WHILE SUBJECTED TO VACUUM TO FORM A LAMINATED LIGHT POLARIZING PANEL.
Claim 2
Dependent Claim
147 words
A MACHINE FOR LAMINATING A LIGHT TRANSMITTING TOP SHEET, A LIGHT TRANSMITTING BOTTOM SHEET AND AN INTERMEDIATE LIGHT POLARIZING MEMBER INTO A LIGHT POLARIZING PANEL COMPRISING IN COMBINATION A TOP FRAME MEMBER, A BOTTOM FRAME MEMBER, SPACED INNER AND OUTER GASKET MEANS CARRIED BY SAID TOP AND BOTTOM FRAME MEMBERS TO FORM A SUBSTANTIALLY AIR TIGHT ENCLOSURE BETWEEN THE FRAME AND MEMBRS, AND ELONGATED BAR DISPOSED BETWEEN THE TOP AND BOTTOM SHEETS AND RECEIVED BETWEEN THE INNER GASKET MEANS, A PLURALITY OF TRANSVERSE BORES IN THE SAID BAR CONNECTING THE SPACE BETWEEN THE TOP AND BOTTOM SHEETS AND THE SPACE BETWEEN THE INENR AND OUTER GASKETS, MEANS TO APPLY A VACUUM SOURCE TO THE FRAME TO SUBSTANTIALLY REMOVE THE AIR FROM BETWEEN THE SHEETS AND LIGHT POLARIZING MEMBER, AND MEANS TO APPLY HEAT TO THE ASSEMBLY WHILE SUBJECTED TO VACUUM TO FORM A LAMINATED LIGHT POLARIZING PANEL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |