Patent US3497017A successfully refreshed from Google Patents.
US3497017A
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US
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Impacting machine using dynamic reaction force
Assignee: Individual
•
Filing: 1968-02-23
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Granted: 1970-02-24
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Expires: 1988-02-23
Abstract
No abstract record available.
Inventors
- 👤 William H Goettl
- 👤 John M Goettl
- 👤 Robert G Wilson
- 👤 Emery L Henderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:13
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/26; E04H17/261; E04H17/263; E02; E02D; E02D3/00; E02D3/02; E02D3/046; E02D3/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US644014A
Cited
US968437A
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US2723608A
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US2938438A
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US3181442A
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US3253522A
Cited
US3308728A
Cited
US3376799A
Cited
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 |