US3497005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sonic energy process
Assignee: Resources Research & Dev Corp
•
Filing: 1967-03-02
•
Granted: 1970-02-24
•
Expires: 1987-03-02
Abstract
No abstract record available.
Inventors
- 👤 Arnold H Pelopsky
- 👤 Dan T Felix
- 👤 Gary N Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:13
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/10; C; C10; C10G; C10G1/00; C10G15/00; C10G15/08; E; E21; E21B; E21B43/00; E21B43/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2866509A
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US2792894A
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US3042115A
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US2813583A
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US2910424A
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US2918126A
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US2973312A
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US3222221A
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US3123546A
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US3303881A
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US3352355A
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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) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |