US2937407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing curved, tinted laminated glass interlayers
Assignee: PPG Industries Inc
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Filing: 1956-06-26
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Granted: 1960-05-24
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Expires: 1976-06-26
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:03
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10981; B29; B29C; B29C53/00; B29C53/02; B29C53/04; B29C55/00; B29C55/02; B29C55/04; B29C55/045; B32B17/10165; B32B17/10339; B32B17/10889; Y; Y10; Y10S; Y10S425/00; Y10S425/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A METHOD OF MANUFACTURING INDIVIDUAL ELONGATED INTERLAYERS OF SYNTHETIC RESINOUS MATERIAL FOR USE IN THE MANUFACTURE OF STRIP-TINTED LAMINATED AUTOMOBILE WINDSHIELDS, SAID METHOD COMPRISING TAKING A CONTINUOUS ELONGATED SHEET OF SAID MATERIAL HAVING MUTUALLY PARALLE LATERAL EDGES AND A DYED STRIP OF UNIFORM WIDTH EXTENDING LONGITUDINALLY ALONG ONE SUCH LATERAL EDGE WITH THE BLEND LINE OF SAID STRIP EXTENDING PARALLEL WITH SAID EDGES, LONGITUDINALLY PERMANENTLY STRETCHING SAID SHEET WHILE STILL IN CONTINUOUS UNCUT FORM, THE DEGREE OF SAID LONGITUDINAL
Claim 2
Independent Claim
79 words
A METHOD OF MANUFACTURING INDIVIDUAL ELONGATED INTERLAYERS OF SYNTHETIC RESINOUS MATERIAL FOR USE IN THE MANUFACTURE OF STRIP-TINTED LAMINATED AUTOMOBILE WINDSHIELDS, SAID METHOD COMPRISING TAKING A CONTINUOUS ELONGATED SHEET OF SAID MATERIAL HAVING MUTUALLY PARALLE LATERAL EDGES AND A DYED STRIP OF UNIFORM WIDTH EXTENDING LONGITUDINALLY ALONG ONE SUCH LATERAL EDGE WITH THE BLEND LINE OF SAID STRIP EXTENDING PARALLEL WITH SAID EDGES, LONGITUDINALLY PERMANENTLY STRETCHING SAID SHEET WHILE STILL IN CONTINUOUS UNCUT FORM, THE DEGREE OF SAID LONGITUDINAL
References Cited (Backward Citations)
US2250430A
Cited
US2700007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |