US2938661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor seals
Assignee: Motors Liquidation Co
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Filing: 1956-06-13
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Granted: 1960-05-31
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Expires: 1976-06-13
Abstract
No abstract record available.
Inventors
- 👤 James M Ricketts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:31
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/102; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/80
Claims Analysis
Total Claims: 0
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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) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |