US2792170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor
Assignee: HD Hudson Manufacturing Co
•
Filing: 1953-06-29
•
Granted: 1957-05-14
•
Expires: 1973-06-29
Abstract
No abstract record available.
Inventors
- 👤 Robert C Hudson
- 👤 John E Oys
- 👤 August H Pinke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:02
CPC Classifications
F; F16; F16J; F16J10/00; F16J10/02; F04; F04B; F04B39/00; F04B39/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1464653A
Cited
US1389360A
Cited
US1431355A
Cited
US1680157A
Cited
US2014816A
Cited
CH201226A
Cited
US2496821A
Cited
DE803746C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-13 | 1960-11-12 | 1961-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-13 | 1964-11-12 | 1965-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-13 | 1968-11-12 | 1969-05-14 | $7700.00 | Window Closed / Lapsed |