US3415336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonator and method of making it
Assignee: Meritor Inc
•
Filing: 1966-11-14
•
Granted: 1968-12-10
•
Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 James C Arthur
- 👤 Raymond L Placek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:40
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1838; F01N1/00; F01N1/003; F01N1/006; F01N1/02; F01N1/023; F01N1/04; F01N13/1844; F01N13/185; F01N2450/00; F01N2450/20; F01N2450/22; F01N2470/00; F01N2470/02; F01N2490/00; F01N2490/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1626908A
Cited
US1709426A
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US1878424A
Cited
US2148948A
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US2251369A
Cited
US2527052A
Cited
US3175640A
Cited
US3209861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |