US2647683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor
Assignee: Motors Liquidation Co
•
Filing: 1950-09-06
•
Granted: 1953-08-04
•
Expires: 1970-09-06
Abstract
No abstract record available.
Inventors
- 👤 Sylvester M Schweller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:40
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/16; F04B39/00; F04B39/0005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US977847A
Cited
US1188876A
Cited
US1526244A
Cited
US1494764A
Cited
US2148638A
Cited
US2160978A
Cited
US2312304A
Cited
US2461873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |