US3128941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder arrangement for high pressure compressors
Assignee: —
•
Filing: —
•
Granted: 1964-04-14
•
Expires: 1981-04-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:36
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/12; F04B37/00; F04B37/10; F04B37/12; F04B39/02; F04B39/0284; F04B39/0292; F04B39/04; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE498084A
Cited
US1133270A
Cited
US1260100A
Cited
US1743584A
Cited
US2235070A
Cited
US2250164A
Cited
US2496547A
Cited
US2730960A
Cited
US2832653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |