PT85136A - Sistema de comunicacoes telefonicas - Google Patents
Sistema de comunicacoes telefonicasInfo
- Publication number
- PT85136A PT85136A PT8513687A PT8513687A PT85136A PT 85136 A PT85136 A PT 85136A PT 8513687 A PT8513687 A PT 8513687A PT 8513687 A PT8513687 A PT 8513687A PT 85136 A PT85136 A PT 85136A
- Authority
- PT
- Portugal
- Prior art keywords
- communication system
- telephone communication
- telephone
- communication
- Prior art date
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PT8513687A PT85136B (pt) | 1987-06-22 | 1987-06-22 | sistema de comunicações telefónicas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PT8513687A PT85136B (pt) | 1987-06-22 | 1987-06-22 | sistema de comunicações telefónicas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT85136A true PT85136A (pt) | 1989-06-30 |
| PT85136B PT85136B (pt) | 1995-03-31 |
Family
ID=20084051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT8513687A PT85136B (pt) | 1987-06-22 | 1987-06-22 | sistema de comunicações telefónicas |
Country Status (1)
| Country | Link |
|---|---|
| PT (1) | PT85136B (pt) |
-
1987
- 1987-06-22 PT PT8513687A patent/PT85136B/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| PT85136B (pt) | 1995-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG3A | Patent granted, date of granting |
Effective date: 19940912 |
|
| MM4A | Annulment/lapse due to non-payment of fees;searched & examined patent |
Free format text: MAXIMUM VALIDITY LIMIT REACHED Effective date: 20090912 |