US2844301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor for refrigeration system
Assignee: Coleman Co Inc
•
Filing: 1954-12-23
•
Granted: 1958-07-22
•
Expires: 1974-12-23
Abstract
No abstract record available.
Inventors
- 👤 Alwin B Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:00
CPC Classifications
F; F25; F25B; F25B31/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US626652A
Cited
US871114A
Cited
US1144641A
Cited
US1178653A
Cited
US2389067A
Cited
US2442466A
Cited
US2637981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |