US2888809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas compression apparatus
Assignee: Carrier Corp
•
Filing: 1955-01-27
•
Granted: 1959-06-02
•
Expires: 1975-01-27
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Rachfal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:51
CPC Classifications
F; F25; F25B; F25B1/00; F25B1/04; F25B1/053; F25B2400/00; F25B2400/13; F25B2400/23; Y; Y10; Y10S; Y10S62/00; Y10S62/21
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1111498A
Cited
US1110864A
Cited
US2075647A
Cited
US2052305A
Cited
US2117693A
Cited
US2109964A
Cited
US2277647A
Cited
US2356370A
Cited
US2470565A
Cited
US2523451A
Cited
GB704936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |