US3525048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process instrumentation system with dynamic compensator
Assignee: Schneider Electric Systems USA Inc
•
Filing: 1968-02-01
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Granted: 1970-08-18
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Expires: 1988-02-01
Abstract
No abstract record available.
Inventors
- 👤 Neal D Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:22
CPC Classifications
H; H03; H03G; H03G9/00; H03G9/02; B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2361593A
Cited
US2490805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |