US2962809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a compressor seal
Assignee: Motors Liquidation Co
•
Filing: 1953-02-26
•
Granted: 1960-12-06
•
Expires: 1973-02-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Short
- 👤 Robert B Koschmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:00
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/08; F01D11/12; F01D11/122; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49323; Y10T29/49826; Y10T29/49861; Y10T29/49885; Y10T29/4998; Y10T29/49982
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |