US2906660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fiber dispersions, sheets, plastic impregnated sheets and methods of forming
Assignee: AMF Inc
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Filing: 1956-04-17
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Granted: 1959-09-29
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Expires: 1976-04-17
Abstract
No abstract record available.
Inventors
- 👤 Gordon P Hungerford
- 👤 Joseph C Yarze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:29
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/12; D21H5/1254; D21H13/00; D21H13/36; D21H13/38; D21H13/40; D21H17/00; D21H17/20; D21H17/33
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
36 words
A SELF-SUPPORTING GLASS FIBER PAPER WEIGHING BETWEEN 0.1 AND 9.0 GRAMS PER SQUARE FOOT AND CONSISTING OF GLASS FIBERS, UNIFORMLY DISTRIBUTED THROUGHOUT SIAD PAPER AS INDIVIDUAL AND DISTINCT NON-FLOCCULATED FIBERS HAVING DIAMESTERS LESS THAN TEN MICRONS.
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) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |