US2883101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary compressor
Assignee: General Electric Co
•
Filing: 1956-04-16
•
Granted: 1959-04-21
•
Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 Milton M Kosfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:46
CPC Classifications
F; F25; F25B; F25B31/00; F25B31/02; F25B31/026; Y; Y10; Y10S; Y10S417/00; Y10S417/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB466267A
Cited
DE569978C
Cited
US1530973A
Cited
GB511950A
Cited
US2246272A
Cited
US2764342A
Cited
US2669384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |