US2792929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shuffle feed structure
Assignee: Individual
•
Filing: 1955-05-17
•
Granted: 1957-05-21
•
Expires: 1975-05-17
Abstract
No abstract record available.
Inventors
- 👤 Ralph K Daugherty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:31
CPC Classifications
A; A23; A23N; A23N12/00; A23N12/02; B; B65; B65G; B65G25/00; B65G25/04; B65G25/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1795450A
Cited
US1754612A
Cited
US1951046A
Cited
GB360663A
Cited
US2179035A
Cited
US2191744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |