US3531222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetic compressor discharge tube construction
Assignee: Tecumseh Products Co
•
Filing: 1968-08-08
•
Granted: 1970-09-29
•
Expires: 1988-08-08
Abstract
No abstract record available.
Inventors
- 👤 Freddie D Randall
- 👤 James S Utley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:57
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/08; F16L3/12; F16L3/123; F16L3/1233; F16L5/00; F16L5/02; F16L5/022; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |