US2984756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Launching mechanical waves
Assignee: Individual
•
Filing: 1956-06-04
•
Granted: 1961-05-16
•
Expires: 1976-06-04
Abstract
No abstract record available.
Inventors
- 👤 Bradfield Geoffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:15
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/22; G01N29/24; G01N29/2487; G01N29/2437; G01N2291/00; G01N2291/04; G01N2291/042; G01N2291/0421; G01N2291/0422
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB265181A
Cited
FR622035A
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US2625035A
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US2697936A
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US2569987A
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US2707755A
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US2649550A
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US2685041A
Cited
US2656725A
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US2729757A
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US2667780A
Cited
US2709760A
Cited
FR1065907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |