US2741570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroconductive article
Assignee: Libbey Owens Ford Glass Co
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Filing: 1953-03-05
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Granted: 1956-04-10
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Expires: 1973-03-05
Abstract
No abstract record available.
Inventors
- 👤 Romey A Gaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:08
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/211; C03C2217/23; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/112
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN A GLAZING UNIT FOR AIRCRAFT OR THE LIKE, THE COMBINATION WITH A TRANSPARENT PANE FORMING PART OF SAID UNIT OF A TRANSPARENT ELECTRICALLY CONDUCTING FILM HAVING A RESISTIVITY OF THE ORDER OF 100 OHMS PER SQUARE AREA ON ONE SURFACE OF SAID PANE, AND A TRANSPARENT ELECTRICALLY CONDUCTING FILM HAVING A RESISTIVITY OF THE ORDER OF 100,000 OHMS PER SQUARE AREA ON THE OPPOSITE SURFACE THEREOF.
Claim 2
Dependent Claim
67 words
IN A GLAZING UNIT FOR AIRCRAFT OR THE LIKE, THE COMBINATION WITH A TRANSPARENT PANE FORMING PART OF SAID UNIT OF A TRANSPARENT ELECTRICALLY CONDUCTING FILM HAVING A RESISTIVITY OF THE ORDER OF 100 OHMS PER SQUARE AREA ON ONE SURFACE OF SAID PANE, AND A TRANSPARENT ELECTRICALLY CONDUCTING FILM HAVING A RESISTIVITY OF THE ORDER OF 100,000 OHMS PER SQUARE AREA ON THE OPPOSITE SURFACE THEREOF.
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) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |