Patent US3546500A successfully refreshed from Google Patents.
US3546500A
Expired / Lapsed
US
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Elastic resonator for timekeeping instruments
Assignee: Bulova Watch Co Inc
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Filing: 1969-05-27
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Granted: 1970-12-08
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Expires: 1989-05-27
Abstract
No abstract record available.
Inventors
- 👤 Werner R Baumgartner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:32
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/08; G04C3/10; G04C3/101; G04C3/102; G04B; G04B17/00; G04B17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2888582A
Cited
US2960817A
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US3281725A
Cited
US3303705A
Cited
GB1130012A
Cited
CH451021A
Cited
US3447311A
Cited
NL6709050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |