US3611705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital clock with novel indexing drums
Assignee: Bunker Ramo Corp
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Filing: 1970-02-02
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Granted: 1971-10-12
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Expires: 1990-02-02
Abstract
Abstract A DIGITAL CLOCK HAVING A PLURALITYOF DRUMS SHOWING THE HOURS AND MINUTES, AND A GENEVA MOVEMENT HAVING GEAR ELEMENTS AT THE PERIPHERY OF THE DRUMS, FOR GREATER ACCURACY AND POSITIONING OF THE DRUMS.
Inventors
- 👤 Emil J Niznik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:49
CPC Classifications
G; G04; G04B; G04B19/00; G04B19/30; G06; G06M; G06M1/00; G06M1/04; G06M1/06; G06M1/062; G06M1/14; G06M1/16; G06M1/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-11 | 1975-04-12 | 1975-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-11 | 1979-04-12 | 1979-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-11 | 1983-04-12 | 1983-10-12 | $7700.00 | Window Closed / Lapsed |