US3476886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable telephone set
Assignee: Italtel SpA
•
Filing: 1966-10-31
•
Granted: 1969-11-04
•
Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 Agostino Ferrari
- 👤 Luciano Callegari
- 👤 Gianfranco Rivetta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:39
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/03; H04M1/0202; H04M1/0206; H04M1/0208; H04M1/0214
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1298771A
Cited
US1485196A
Cited
GB592377A
Cited
US2490637A
Cited
US2508654A
Cited
US2643301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |