US2833462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable capacity compressor
Assignee: Worthington Corp
•
Filing: 1955-04-11
•
Granted: 1958-05-06
•
Expires: 1975-04-11
Abstract
No abstract record available.
Inventors
- 👤 Scheerer William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:02
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2047167A
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US2004474A
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US2197158A
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US2261911A
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US2536184A
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US2402848A
Cited
US2575085A
Cited
US2570624A
Cited
US2635585A
Cited
US2761615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |