US2579035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulation composition of resin-impregnated glass wool briquettes and feathers
Assignee: Individual
•
Filing: 1948-10-11
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Granted: 1951-12-18
•
Expires: 1968-10-11
Abstract
No abstract record available.
Inventors
- 👤 Norman B Edelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:34
CPC Classifications
B; B68; B68G; B68G1/00; Y; Y10; Y10S; Y10S5/00; Y10S5/948; Y10S5/949; Y10S5/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
FILLING AND INSULATING MATERIAL COMPRISING A UNIFORM MIXTURE OF FEATHERS AND PRE-FABRICATED GLASSWOOL BODIED IMPREGNATED WITH APPROXIMATELY 10% TO 30% RESIN BY WEIGHT.
Claim 2
Dependent Claim
23 words
FILLING AND INSULATING MATERIAL COMPRISING A UNIFORM MIXTURE OF FEATHERS AND PRE-FABRICATED GLASSWOOL BODIED IMPREGNATED WITH APPROXIMATELY 10% TO 30% RESIN BY WEIGHT.
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) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |