US3464315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical pneumatic servo control system for high-speed impact devices
Assignee: Chambersburg Engineering Co
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Filing: 1967-06-12
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Granted: 1969-09-02
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Expires: 1987-06-12
Abstract
No abstract record available.
Inventors
- 👤 Henry A Weyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:27
CPC Classifications
B; B21; B21J; B21J7/00; B21J7/20; B21J7/46; B21J7/22; B21J7/24; B30; B30B; B30B15/00; B30B15/16; B30B15/168
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US371076A
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US1067613A
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US2099368A
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US2267177A
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US2247802A
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US2699154A
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US3296938A
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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) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |