Patent US3500849A successfully refreshed from Google Patents.
US3500849A
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Free-running oscillator
Assignee: Corning Glass Works
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Filing: 1967-05-10
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Granted: 1970-03-17
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Expires: 1987-05-10
Abstract
No abstract record available.
Inventors
- 👤 Paul C Mcleod Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:40
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/22; G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/32; G01F1/3227; G01N; G01N30/00; G01N30/02; G01N30/62; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3159168A
Cited
US3158166A
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US3340884A
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US3282280A
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US3375840A
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US3402727A
Cited
US3399688A
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US3398758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |