US3346415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible printed circuit wiring
Assignee: Individual
•
Filing: 1963-12-16
•
Granted: 1967-10-10
•
Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Carl L Hachenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:52
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/46; H05K3/4688; H05K3/4691; H05K1/00; H05K1/02; H05K1/03; H05K1/0313; H05K1/0353; H05K1/0366; H05K2201/00; H05K2201/01; H05K2201/0183; H05K2201/0187; H05K3/0011; H05K3/0017; H05K3/002; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24926
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
A METHOD OF MANUFACTURING A FLEXIBLE PRINTED CIRCUIT BOARD FROM AN ORIGINAL PRINTED CIRCUIT BOARD HAVING A RIGID SUBSTRATE INCLUDING A FLEXIBLE MATERIAL MADE RIGID BY A STIFFENING SUBSTANCE COMPRISING: SUBJECTING SAID RIGID SUBSTRATE TO A SOLVENT FOR SAID STIFFENING SUBSTANCE; PURGING SAID SOLVENT FROM SAID SUBSTRATE, LEAVING SAID FLEXIBLE MATERIAL; IMPREGNATING SAID SUBSTRATE WITH A FLEXIBLE BONDING AGENT TO REINFORCE SAID FLEXIBLE MATERIAL.
References Cited (Backward Citations)
US2943956A
Cited
US3137436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |