US3057602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condenser contamination removal arrangement
Assignee: Ingersoll Rand Co
•
Filing: 1959-06-24
•
Granted: 1962-10-09
•
Expires: 1979-06-24
Abstract
No abstract record available.
Inventors
- 👤 Robert J Stoker
- 👤 Robert D Board
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:15
CPC Classifications
F; F28; F28B; F28B9/00; F28B9/08; Y; Y10; Y10S; Y10S165/00; Y10S165/001; Y10S165/008; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1789
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |