US2561449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass mat laminates
Assignee: ST Regis Paper Co
•
Filing: 1945-02-10
•
Granted: 1951-07-24
•
Expires: 1965-02-10
Abstract
No abstract record available.
Inventors
- 👤 Ruderman Irving Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:56
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/10; C04B26/12; B; B29; B29C; B29C70/00; B29C70/003; B29K; B29K2309/00; B29K2309/08; C04B2111/00; C04B2111/00474; C04B2111/00612; C04B2111/90; C04B2111/92; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T442/00; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/3569; Y10T442/3577
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A LAMINATING PRODUCT COMPRISING A SHEET FORMED OF GLASS FIBERS BONDED TOGETHER WITH A PHENOL-ALDEHYDE RESIN, SAID SHEET BEING FURTHER IMPREGNATED WITH A PHENOL-AROMATIC AMINEALDEHYDE RESIN.
Claim 2
Dependent Claim
26 words
A LAMINATING PRODUCT COMPRISING A SHEET FORMED OF GLASS FIBERS BONDED TOGETHER WITH A PHENOL-ALDEHYDE RESIN, SAID SHEET BEING FURTHER IMPREGNATED WITH A PHENOL-AROMATIC AMINEALDEHYDE RESIN.
References Cited (Backward Citations)
US1133083A
Cited
US1217115A
Cited
US1955731A
Cited
GB508035A
Cited
US2209850A
Cited
US2252157A
Cited
US2314701A
Cited
US2285679A
Cited
US2354110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |