Patent US3211131A successfully refreshed from Google Patents.
US3211131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw feed adjustment
Assignee: KLEIN Manufacturing CO
•
Filing: 1964-02-27
•
Granted: 1965-10-12
•
Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 James S Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:37
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0275; A01K5/0225; A01K5/0241
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN ANIMAL FEEDER COMPRISED OF A HOPPER, A FUNNEL AT THE LOWER END OF THE HOPPER, A TROUGH, A PLURALITY OF DOORS CHANNELS, THE DOOR CHANNELS ATTACHED BETWEEN THE FUNNEL AND THE TROUGH, A PLURALITY OF LEGS ATTACHED TO THE FUNNEL, THE FUNNEL SPACED FROM THE TROUGH BY THE LEGS, A SCREW FEED ADJUSTMENT HAVING A HOUSING, A GEAR BOX ENCLOSED IN THE HOUSING, A PLURALITY OF INTERMESHED GEARS HELD IN FIXED ROTATABLE RELATION IN THE GEAR BOX, A CRANK ATTACHABLE TO ONE OF THE GEARS FROM OUTSIDE THE HOUSING, A SCREW, ONE OF THE GEARS THREADED AT ITS CENTER SO AS TO RECEIVE THE SCREW, THE HOUSING PROVIDED WITH AN OPENING THROUGH WHICH THE SCREW PROTRUDES, A PLURALITY OF RODS ATTACHED TO THE SCREW OUTSIDE THE HOUSING,
Claim 2
Dependent Claim
128 words
AN ANIMAL FEEDER COMPRISED OF A HOPPER, A FUNNEL AT THE LOWER END OF THE HOPPER, A TROUGH, A PLURALITY OF DOORS CHANNELS, THE DOOR CHANNELS ATTACHED BETWEEN THE FUNNEL AND THE TROUGH, A PLURALITY OF LEGS ATTACHED TO THE FUNNEL, THE FUNNEL SPACED FROM THE TROUGH BY THE LEGS, A SCREW FEED ADJUSTMENT HAVING A HOUSING, A GEAR BOX ENCLOSED IN THE HOUSING, A PLURALITY OF INTERMESHED GEARS HELD IN FIXED ROTATABLE RELATION IN THE GEAR BOX, A CRANK ATTACHABLE TO ONE OF THE GEARS FROM OUTSIDE THE HOUSING, A SCREW, ONE OF THE GEARS THREADED AT ITS CENTER SO AS TO RECEIVE THE SCREW, THE HOUSING PROVIDED WITH AN OPENING THROUGH WHICH THE SCREW PROTRUDES, A PLURALITY OF RODS ATTACHED TO THE SCREW OUTSIDE THE HOUSING,
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |