US2831792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated glass
Assignee: —
•
Filing: —
•
Granted: 1958-04-22
•
Expires: 1975-04-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:31
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10807; B32B17/10816; B32B17/10825; B32B17/10834; B32B17/10844; B32B17/10853; B32B17/10165; B32B17/10174; H; H01; H01B; H01B1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN A METHOD OF LAMINATING GLASS SHEETS, THE STEPS OF ARRANGING GLASS SHEETS AND AN INTERPOSED PLASTIC LAYER IN SUPERIMPOSED RELATION WITH RESPECT TO ONE ANOTHER TO PRODUCE A SANDWICH, AND HEATING THE CONTACTING FACES OF THE LAMINATIONS TO A GREATER TEMPERATURE THAN THE OUTSIDE FACES OF THE LAMINATION BY HEAT APPLIED BETWEEN AT LEAST ONE OF SAID GLASS SHEETS AND SAID PLASTIC LAYER TO HEAT THE PLASTIC LAYER TO LAMINATING TEMPERATURE AND THEREBY EFFECT A BOND BETWEEN SAID GLASS SHEETS AND SAID PLASTIC LAYER.
Claim 2
Dependent Claim
85 words
IN A METHOD OF LAMINATING GLASS SHEETS, THE STEPS OF ARRANGING GLASS SHEETS AND AN INTERPOSED PLASTIC LAYER IN SUPERIMPOSED RELATION WITH RESPECT TO ONE ANOTHER TO PRODUCE A SANDWICH, AND HEATING THE CONTACTING FACES OF THE LAMINATIONS TO A GREATER TEMPERATURE THAN THE OUTSIDE FACES OF THE LAMINATION BY HEAT APPLIED BETWEEN AT LEAST ONE OF SAID GLASS SHEETS AND SAID PLASTIC LAYER TO HEAT THE PLASTIC LAYER TO LAMINATING TEMPERATURE AND THEREBY EFFECT A BOND BETWEEN SAID GLASS SHEETS AND SAID PLASTIC LAYER.
References Cited (Backward Citations)
US2372929A
Cited
US2552955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |