Patent US3136680A successfully refreshed from Google Patents.
US3136680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polytetrafluoroethylene copper laminate
Assignee: EIDP Inc
•
Filing: 1960-08-15
•
Granted: 1964-06-09
•
Expires: 1980-08-15
Abstract
No abstract record available.
Inventors
- 👤 Hochberg Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:24
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/38; H05K3/382; H05K3/384; B; B29; B29C; B29C70/00; B29C70/003; B29C70/0035; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C; C23; C23C; C23C28/00; C23C28/02; C23C28/023; H05K1/00; H05K1/02; H05K1/03; H05K1/0313; H05K1/032; H05K1/034; H05K1/0353; H05K1/036; H05K3/386; B29K; B29K2309/00; B29K2309/08; H05K2201/00; H05K2201/01; H05K2201/0137; H05K2201/015; H05K2201/03; H05K2201/0332; H05K2201/0335; H05K2201/0355; H05K2203/00; H05K2203/07; H05K2203/0703; H05K2203/0723; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T442/00; Y10T442/30; Y10T442/3382; Y10T442/3415; Y10T442/3423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A LAMINATE WHICH COMPRISES AT LEAST THREE LAYERS, SAID LAYERS COMPRISING A LAYER OF POLYTETRAFLUOROETHYLENE, AN INTERMEDIATE LAYER IN ADHERENT CONTACT WITH SAID LAYER OF POLYTETRAFLUOROETHYLENE AND, IN ADHERENT CONTACT WITH SAID INTERMEDIATE LAYER, A LAYER OF COPPER, THE SURFACE OF SAID LAYER OF COPPER IN ADHERENT CONTACT WITH SAID INTERMEDIATE LAYER BEING ADHERENTLY COATED WITH AT LEAST ONE OF THE
Claim 2
Dependent Claim
61 words
A LAMINATE WHICH COMPRISES AT LEAST THREE LAYERS, SAID LAYERS COMPRISING A LAYER OF POLYTETRAFLUOROETHYLENE, AN INTERMEDIATE LAYER IN ADHERENT CONTACT WITH SAID LAYER OF POLYTETRAFLUOROETHYLENE AND, IN ADHERENT CONTACT WITH SAID INTERMEDIATE LAYER, A LAYER OF COPPER, THE SURFACE OF SAID LAYER OF COPPER IN ADHERENT CONTACT WITH SAID INTERMEDIATE LAYER BEING ADHERENTLY COATED WITH AT LEAST ONE OF THE
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |