US3310757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decoupling mounting plates for tuning fork oscillators
Assignee: FREQUENCY CONTROL PRODUCTS Inc A CORP OF NY
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Filing: 1966-09-15
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Granted: 1967-03-21
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Expires: 1986-09-15
Abstract
No abstract record available.
Inventors
- 👤 Dostal Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:27
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/05; H03H9/0595; G; G04; G04C; G04C3/00; G04C3/08; G04C3/10; H03H9/0504; H03H9/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A PRECISION OSCILLATOR COMPRISING: (A) A TUNING-FORK HAVING A Z-SHAPED CONFIGURATION DEFINING A PAIR OF TINES INTERCONNECTED BY A BASE, (B) MEANS ACTUATING SAID TINES PERIODICALLY TO MAINTAIN SAID FORK IN OSCILLATION AT ITS NATURAL FREQUENCY, SAID FORK PRODUCING A TORQUE ABOUT A CENTRAL POINT IN SAID BASE, (C) AND A MOUNTING FOR SAID FORK, SAID MOUNTING HAVING A PLATFORM RIGIDLY CONNECTED TO THE BASE OF SAID FORK, SAID PLATFORM BEING SUSPENDED WITHIN AN OPENING IN SAID MOUNTING BY AT LEAST ONE BENDABLE ELEMENT IMPARTING A COMPLIANCE TO SAID MOUNTING HAVING A VALUE OF ELASTICITY WHICH IN COMBINATION WITH THE MASS OF THE FORK ESTABLISHES A FREQUENCY WHICH IS LOWER THAN THE NATURAL FREQUENCY OF THE FORK.
Claim 2
Dependent Claim
117 words
A PRECISION OSCILLATOR COMPRISING: (A) A TUNING-FORK HAVING A Z-SHAPED CONFIGURATION DEFINING A PAIR OF TINES INTERCONNECTED BY A BASE, (B) MEANS ACTUATING SAID TINES PERIODICALLY TO MAINTAIN SAID FORK IN OSCILLATION AT ITS NATURAL FREQUENCY, SAID FORK PRODUCING A TORQUE ABOUT A CENTRAL POINT IN SAID BASE, (C) AND A MOUNTING FOR SAID FORK, SAID MOUNTING HAVING A PLATFORM RIGIDLY CONNECTED TO THE BASE OF SAID FORK, SAID PLATFORM BEING SUSPENDED WITHIN AN OPENING IN SAID MOUNTING BY AT LEAST ONE BENDABLE ELEMENT IMPARTING A COMPLIANCE TO SAID MOUNTING HAVING A VALUE OF ELASTICITY WHICH IN COMBINATION WITH THE MASS OF THE FORK ESTABLISHES A FREQUENCY WHICH IS LOWER THAN THE NATURAL FREQUENCY OF THE FORK.
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |