Patent US3044688A successfully refreshed from Google Patents.
US3044688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetic compressor
Assignee: Trane Co
•
Filing: 1959-10-12
•
Granted: 1962-07-17
•
Expires: 1979-10-12
Abstract
No abstract record available.
Inventors
- 👤 Frank Arne
- 👤 Jerome C Roach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:27
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/0027; F04B39/0044; F25; F25B; F25B31/00; F25B31/02; Y; Y10; Y10S; Y10S417/00; Y10S417/902
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1207239A
Cited
US2134936A
Cited
US2133875A
Cited
US2222703A
Cited
US2130835A
Cited
US2287203A
Cited
US2545600A
Cited
US2740578A
Cited
US2767903A
Cited
US2894678A
Cited
US2823850A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |