US2888966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating air seal
Assignee: Continental Gin Co
•
Filing: 1955-02-14
•
Granted: 1959-06-02
•
Expires: 1975-02-14
Abstract
No abstract record available.
Inventors
- 👤 George C Morgan
- 👤 Bardeleben Walker P De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:25
CPC Classifications
B; B27; B27L; B27L1/00; B27L1/04; B27L1/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1000505A
Cited
US1162758A
Cited
FR620496A
Cited
US2542371A
Cited
US2568092A
Cited
US2623558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |