US2818089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pillow case and structure for coupling the same to feather cleaning apparatus
Assignee: Wichita Precision Tool Co Inc
•
Filing: 1955-06-27
•
Granted: 1957-12-31
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Expires: 1975-06-27
Abstract
No abstract record available.
Inventors
- 👤 Mayhill Noble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:43
CPC Classifications
B; B68; B68G; B68G3/00; B68G3/08; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882; Y10T137/7885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US584091A
Cited
US1876591A
Cited
US2029608A
Cited
US2138605A
Cited
US2437196A
Cited
US2596135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |