Patent US3370456A successfully refreshed from Google Patents.
US3370456A
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Timepiece testing apparatus
Assignee: PORTESCAN LE PORTE ECHANPEMENT
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Filing: 1966-02-18
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Granted: 1968-02-27
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Expires: 1986-02-18
Abstract
No abstract record available.
Inventors
- 👤 Jucker Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:12
CPC Classifications
G; G04; G04D; G04D7/00; G04D7/12; G04D7/1207; G04D7/1214
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
TIMEPIECE TESTING APPARATUS COMPRISING: ACOUSTICAL SENSING MEANS FOR SENSING THE SOUNDS PRODUCED BY THE MOVEMENT OF A TIMEPIECE UNDER TEST AND FOR DEVELOPING ELECTRICAL ALTERNATION SIGNALS CORRESPONDING IN NUMBER TO THE NUMBER OF ALTERNATIONS WHICH THE OSCILLATING MEMBER OF SAID TIME PIECE UNDERGOES; A FIRST COUNTER FOR COUNTING SAID ELECTRICAL ALTERNATION SIGNALS AND FOR DEVELOPING A FIRST GATING SIGNAL AT THE INITIATION OF SAID COUNTING OF SAID ELECTRICAL ALTERNATION SIGNALS AND A SECOND GATING SIGNAL AFTER A PRESCRIBED NUMBER OF SAID ELECTRICAL ALTERNATION SIGNALS HAVE BEEN COUNTED;
References Cited (Backward Citations)
US3002371A
Cited
US3255625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |