US2858930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic feeding apparatus
Assignee: Individual
•
Filing: 1955-04-28
•
Granted: 1958-11-04
•
Expires: 1975-04-28
Abstract
No abstract record available.
Inventors
- 👤 Samuel S Aidlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:17
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/02; B65G47/04; B65G47/12; B65G47/14; B65G47/1407; B65G47/1414; B65G47/1421
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1984962A
Cited
US2252498A
Cited
US2377431A
Cited
US2362517A
Cited
US2725971A
Cited
US2744612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |