US2740870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impulse-forming contact-pieces for calling dials for impulse distributors
Assignee: Societe des Compteurs de Geneve SODECO
•
Filing: 1952-09-16
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Granted: 1956-04-03
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Expires: 1972-09-16
Abstract
No abstract record available.
Inventors
- 👤 Meloni Mario
- 👤 Schubauer Edouard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:03
CPC Classifications
H; H01; H01H; H01H63/00; H01H63/02; H01H1/00; H01H1/12; H04; H04M; H04M1/00; H04M1/26; H04M1/30; H04M1/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US589582A
Cited
US1216420A
Cited
US1394087A
Cited
US1954092A
Cited
US2341931A
Cited
US2499420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |