US2502286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated products and process for producing the same
Assignee: Individual
•
Filing: 1945-07-25
•
Granted: 1950-03-28
•
Expires: 1965-07-25
Abstract
No abstract record available.
Inventors
- 👤 Frank J Sowa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:32
CPC Classifications
C; C09; C09J; C09J183/00; C09J183/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31667
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A LAMINATED SHEET MATERIAL COMPRISING A PLURALITY OF PLIES OF MATERIAL BONDED TOGETHER BY AN ADHESIVE LAYER COMPRISING A SUBSTANTIALLY CURED THERMOSETTING SILICONE HAVING THE EMPIRICAL FORMULA RR''SIO, IN WHICH FORMULA R IS A HYDROCARBON RADICAL AND R'' IS A HYDROCARBON RADICAL SELECTED FROM THE CLASS CONSISTING OF BRANCHEDCHAIN ALPHATIC, UNSATURATED ALIPHATIC AND AROMATIC HYDROCARBON RADICALS, THE SILICONE BEING PLASTICCIZED WITH A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE MONOFLUORO ALKYL SILANES AND THE DIFLUORO ALKYL SILANES IN WHICH THE SUM OF THE CARBON ATOMS IN THE ALKYL GROUPS EXCEEDS SEVEN.
Claim 2
Dependent Claim
92 words
A LAMINATED SHEET MATERIAL COMPRISING A PLURALITY OF PLIES OF MATERIAL BONDED TOGETHER BY AN ADHESIVE LAYER COMPRISING A SUBSTANTIALLY CURED THERMOSETTING SILICONE HAVING THE EMPIRICAL FORMULA RR''SIO, IN WHICH FORMULA R IS A HYDROCARBON RADICAL AND R'' IS A HYDROCARBON RADICAL SELECTED FROM THE CLASS CONSISTING OF BRANCHEDCHAIN ALPHATIC, UNSATURATED ALIPHATIC AND AROMATIC HYDROCARBON RADICALS, THE SILICONE BEING PLASTICCIZED WITH A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE MONOFLUORO ALKYL SILANES AND THE DIFLUORO ALKYL SILANES IN WHICH THE SUM OF THE CARBON ATOMS IN THE ALKYL GROUPS EXCEEDS SEVEN.
References Cited (Backward Citations)
US2258218A
Cited
US2258220A
Cited
US2258222A
Cited
US2371050A
Cited
US2390370A
Cited
US2436777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |