US2650890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated glass-vinyl windshields
Assignee: Boeing Co
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Filing: 1952-03-08
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Granted: 1953-09-01
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Expires: 1972-03-08
Abstract
No abstract record available.
Inventors
- 👤 William K Bledsoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:37
CPC Classifications
B; B60; B60J; B60J1/00; B60J1/02; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10036; B32B17/10165; B32B17/10293
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
A LAMINATED GLASS-VINYL WINDSHIELD FOR CONVENTIONAL INSTALLATION IN AIRCRAFT TO AVOID GLASS CHIPPING AT LOW TEMPERATURE UPON THE EXCESSIVE CONTRACTION OF THE VINYL RELATIVE TO GLASS, COMPRISING OUTER GLASS PANES, AN INNER VINYL LAYER COMPOSED OF SHEETS OF VINYL, AND THIN STRIPS OF A PARTING MEDIUM INSERTED NEAR THE EDGES OF THE VINYL AND INTERLAID BETWEEN THE SAID VINYL SHEETS IN A STAGGERED OVERLAPPING RELATIONSHIP FROM EACH SURFACE TOWARD THE CENTER OF THE VINYL LAYER NEAR THE GLASS EDGES FORMING TWO RESPECTIVE TAPERING PORTIONS OF THE VINYL LAYER WHICH DEFORM TO ABSORB THE CRITICAL THERMAL STRESSES.
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) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |