US3210484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push button device
Assignee: Automatic Electric Laboratories Inc
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Filing: 1962-04-20
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Granted: 1965-10-05
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Expires: 1982-04-20
Abstract
No abstract record available.
Inventors
- 👤 John W Dorsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:19
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/23
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
A SINGNALLING DEVICE FOR TRANSMITTING ELECTRICAL SIGNALS COMPRISING: AN INSULATING CARD HAVING APERTURES THEREIN AND CARRYING A PRINTED CIRCUIT WHICH INCLUDES PAIRS OF PRINTED CONDUCTOR BRANCHES POSITIONED ABOUT SAID APERTURES; DIRECTED ACTING SWITCH ASSEMBLIES EACH HAVING: A DEPRESSIBLE PLUNGER ROD EXTENDING WITHIN A COREESPONDING ONE OF SAID APERATURES, A FINGER BUTTON SECURED TO ONE END OF SAID ROD, AND FLOATING CONTACT SPRING CARRIED BY SAID PLUNGER ROD AND HAVING THREE CONTACT PORTIONS, SAID CONTACT PORTIONS BEING ENGAGEABLE WITH A CORRESPONDING ONE OF SAID PAIRS OF PRINTED CONDUCTOR BRANCHES AND POSITIONED TO INSURE ELECTRI-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |