US3527967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monolithic crystal filters with ultrasonically lossy mounting means
Assignee: The General Electric Company PLC
•
Filing: 1969-06-03
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Granted: 1970-09-08
•
Expires: 1989-06-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur Joseph Dyer
- 👤 John Francis Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:47
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/46; H03H9/54; H03H9/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3436669A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |