US2610957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interbonded fibrous glass
Assignee: Owens Corning
•
Filing: 1947-01-09
•
Granted: 1952-09-16
•
Expires: 1967-01-09
Abstract
No abstract record available.
Inventors
- 👤 Steinman Robert
- 👤 Harry C Courtright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:10
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/34; C04B28/342; C04B2111/00; C04B2111/20; C04B2111/28; Y; Y10; Y10T; Y10T442/00; Y10T442/60; Y10T442/69
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A FABRICATED BODY OF GLASS FIBERS BONDED WITH THE REACTION PRODUCT AT ELEVATED TEMPERATURES OF AN ACID SALT FORMED OF ALUMINUM AND AN EXCESS OF PHOSPHORIC ACID WITH AN INORGANIC BASIC SUBSTANCE CHARACTERIZED BY INACTIVITY AT ROOM TEMPERATURE BUT REACTIVE WITH THE ACID SALT ON THE GLASS FIBER SURFACES AT ELEVATED TEMPERATURES TO FORM A NEW REACTION PRODUCT, AND ORGANIC RESINOUS MATERIAL IMPREGNATING THE BONDED BODY OF GLASS FIBERS.
Claim 2
Dependent Claim
69 words
A FABRICATED BODY OF GLASS FIBERS BONDED WITH THE REACTION PRODUCT AT ELEVATED TEMPERATURES OF AN ACID SALT FORMED OF ALUMINUM AND AN EXCESS OF PHOSPHORIC ACID WITH AN INORGANIC BASIC SUBSTANCE CHARACTERIZED BY INACTIVITY AT ROOM TEMPERATURE BUT REACTIVE WITH THE ACID SALT ON THE GLASS FIBER SURFACES AT ELEVATED TEMPERATURES TO FORM A NEW REACTION PRODUCT, AND ORGANIC RESINOUS MATERIAL IMPREGNATING THE BONDED BODY OF GLASS FIBERS.
References Cited (Backward Citations)
US1996032A
Cited
GB439598A
Cited
US2237745A
Cited
US2322930A
Cited
US2366485A
Cited
US2465645A
Cited
US2444347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |