US2728699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass paper
Assignee: L O F GLASS FIBERS Co
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Filing: 1953-11-23
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Granted: 1955-12-27
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Expires: 1973-11-23
Abstract
No abstract record available.
Inventors
- 👤 Labino Dominick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:41
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/70; D04H1/72; D21; D21H; D21H13/00; D21H13/36; D21H13/38; D21H13/40; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/268
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
GLASS PAPER CONSISTING OF GLASS OF PREDETERMINED DIAMETER IN WHICH SOME OF THE FIBERS HAVE A DIAMETER WHICH IS AN EVEN NUMBERED MULTIPLE OF OTHERS THE FIBERS AND AN ODD NUMBERED MULTIPLE OF STILL OTHERS OF THE FIBERS AND SUCH THAT THE FIBER DIAMETERS SUBSTANTIALLY ALL ARE IN THE RANGE OF 4:3:2:1, THE FIBERS OF ALL SIZE HAVING A SUBSTANTIALLY COMPLETE ORIENTATION AND ALL OF THE FIBERS HAVING A DIAMETER WHICH IS NOT GREATER THAN ONE MICRON.
Claim 2
Dependent Claim
77 words
GLASS PAPER CONSISTING OF GLASS OF PREDETERMINED DIAMETER IN WHICH SOME OF THE FIBERS HAVE A DIAMETER WHICH IS AN EVEN NUMBERED MULTIPLE OF OTHERS THE FIBERS AND AN ODD NUMBERED MULTIPLE OF STILL OTHERS OF THE FIBERS AND SUCH THAT THE FIBER DIAMETERS SUBSTANTIALLY ALL ARE IN THE RANGE OF 4:3:2:1, THE FIBERS OF ALL SIZE HAVING A SUBSTANTIALLY COMPLETE ORIENTATION AND ALL OF THE FIBERS HAVING A DIAMETER WHICH IS NOT GREATER THAN ONE MICRON.
References Cited (Backward Citations)
US2658848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |