Patent US5342047A successfully refreshed from Google Patents.
Patent US3378693A successfully refreshed from Google Patents.
US3378693A
Expired / Lapsed
US
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Impulse sender for the drive of timing devices, preferably automatic permanent calendars
Assignee: Gebrueder Schmidt Metallwarenfabrik
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Filing: 1965-07-21
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Granted: 1968-04-16
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Expires: 1985-07-21
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Karl Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:28
CPC Classifications
G; G04; G04F; G04F5/00; G04F5/10; G04C; G04C17/00; G04C17/005; G04C17/0058; G04C3/00; G04C3/04; G04C3/06; G04C3/065; G04C3/067; H; H03; H03K; H03K17/00; H03K17/28; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/282; H03K3/2826; H03K3/2828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN IMPULSE SENDER FOR THE DRIVE OF TIMING DEVICES, COMPRISING A MULTIVIBRATOR INCLUDING A VOLTAGE SOURCE AND AN OUTER RESISTANCE DISPOSED IN SERIES, A CONDENSER DISPOSED IN PARALLEL WITH SAID VOLTAGE SOURCE AND SAID RESISTANCE AND CHARGED FROM SAID VOLTAGE SOURCE DURING THE IMPULSE SPACING, A TIME CONDENSER DISPOSED IN PARALLEL WITH SAID VOLTAGE SOURCE AND SAID OUTER RESISTANCE, AND
Claim 2
Dependent Claim
60 words
AN IMPULSE SENDER FOR THE DRIVE OF TIMING DEVICES, COMPRISING A MULTIVIBRATOR INCLUDING A VOLTAGE SOURCE AND AN OUTER RESISTANCE DISPOSED IN SERIES, A CONDENSER DISPOSED IN PARALLEL WITH SAID VOLTAGE SOURCE AND SAID RESISTANCE AND CHARGED FROM SAID VOLTAGE SOURCE DURING THE IMPULSE SPACING, A TIME CONDENSER DISPOSED IN PARALLEL WITH SAID VOLTAGE SOURCE AND SAID OUTER RESISTANCE, AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |