US3079748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated electronic time piece
Assignee: GTE Sylvania Inc
•
Filing: 1960-06-27
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Granted: 1963-03-05
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Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 Hultquist J Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:58
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/08; G04C3/10; G04B; G04B19/00; G04B19/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PORTABLE ELECTRONIC TIME PIECE INCLUDING A MECHANICALLY RESONANT ELEMENT, A DIAL AND HANDS, A GEAR DRIVE COUPLED TO SAID RESONANT ELEMENT AND TO SAID HANDS WHEREBY SAID HANDS ARE DRIVEN, AN ELECTRICAL CIRCUIT FOR DRIVING SAID RESONANT ELEMENT FROM A BATTERY CONTAINED WITHIN SAID TIME PIECE, MEANS FOR DERIVING AN ALTERNATING CURRENT FROM SAID CIRCUIT, SAID MEANS COMPRISING A TRANSFORMER HAVING A LOW VOLTAGE PRIMARY WINDING IN SAID CIRCUIT AND A HIGH VOLTAGE SECONDARY WINDING, SAID DIAL INCLUDING AN ELECTROLUMINESCENT LAMP ENERGIZED FROM THE HIGH VOLTAGE SECONDARY WINDING OF SAID TRANSFORMER.
Claim 2
Dependent Claim
92 words
A PORTABLE ELECTRONIC TIME PIECE INCLUDING A MECHANICALLY RESONANT ELEMENT, A DIAL AND HANDS, A GEAR DRIVE COUPLED TO SAID RESONANT ELEMENT AND TO SAID HANDS WHEREBY SAID HANDS ARE DRIVEN, AN ELECTRICAL CIRCUIT FOR DRIVING SAID RESONANT ELEMENT FROM A BATTERY CONTAINED WITHIN SAID TIME PIECE, MEANS FOR DERIVING AN ALTERNATING CURRENT FROM SAID CIRCUIT, SAID MEANS COMPRISING A TRANSFORMER HAVING A LOW VOLTAGE PRIMARY WINDING IN SAID CIRCUIT AND A HIGH VOLTAGE SECONDARY WINDING, SAID DIAL INCLUDING AN ELECTROLUMINESCENT LAMP ENERGIZED FROM THE HIGH VOLTAGE SECONDARY WINDING OF SAID TRANSFORMER.
References Cited (Backward Citations)
US2680813A
Cited
GB761609A
Cited
US2960817A
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US2945145A
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US3003305A
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US2922912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |