US2553247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor
Assignee: Individual
•
Filing: 1946-11-19
•
Granted: 1951-05-15
•
Expires: 1966-11-19
Abstract
No abstract record available.
Inventors
- 👤 Everett E Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:52
CPC Classifications
F; F04; F04B; F04B45/00; F04B45/02; F04B45/022; F25; F25B; F25B31/00; F25B31/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US305214A
Cited
US1186664A
Cited
US1436443A
Cited
US1580479A
Cited
US1757997A
Cited
US2021154A
Cited
GB438404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |