US3363678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-pressure surface condenser
Assignee: Ingersoll Rand Co
•
Filing: 1966-06-28
•
Granted: 1968-01-16
•
Expires: 1986-06-28
Abstract
No abstract record available.
Inventors
- 👤 Leslie L Forster
- 👤 William E Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:16
CPC Classifications
F; F28; F28B; F28B1/00; F28B1/02; F28B9/00; F28B9/10; Y; Y10; Y10S; Y10S165/00; Y10S165/184; Y10S165/192
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1776020A
Cited
US1962183A
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US2542873A
Cited
US2956784A
Cited
US3094165A
Cited
US3194021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |