US2982467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor control system
Assignee: Ingersoll Rand Co
•
Filing: 1956-03-06
•
Granted: 1961-05-02
•
Expires: 1976-03-06
Abstract
No abstract record available.
Inventors
- 👤 Charles A Corson
- 👤 Wade W Paschke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:52
CPC Classifications
H; H02; H02P; H02P29/00; H02P29/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1634542A
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US1528547A
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US1912463A
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US2176716A
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US2236088A
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US2253159A
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US2338451A
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US2646919A
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US2602582A
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US2730296A
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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) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |