US3229857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Applicator for granular material
Assignee: Individual
•
Filing: 1961-04-03
•
Granted: 1966-01-18
•
Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 John D Kirschmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:09
CPC Classifications
A; A01; A01M; A01M9/00; A01M9/0076; A01C; A01C15/00; A01M9/0053; A01M9/0069
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN APPARATUS FOR DISTRIBUTING GRANULAR MATERIAL UPON THE GROUND, A MOBILE HOPPER, SAID HOPPER INCLUDING A LOWER TROUGH PORTION, A DISCHARGE OPENING IN ONE SIDE OF SAID TROUGH PORTION, AND DISPOSED ABOVE THE BOTTOM THEREOF, AUGER MEANS MOUNTED IN SAID TRROUGH FOR CONVEYING MATERIAL IN SAID TROUGH TO SAID DISCHARGE OPENING, FIRST BAFFLE MEANS OVERLYING SAID AUGER MEANS AND SHIELDING THE TOP PORTION THEREOF FROM MATERIAL IN SAID HOPPER, SAID FIRST BAFFLE MEANS COOPERATING WITH A WALL OF SAID HOPPER TO DEFINE A THROAT ADJACENT THE OTHER SIDE OF SAID TROUGH FOR FEEDING MATERIAL FROM SAID HOPPER GENERALLY DOWNWARDLY ALONG ONE SIDE OF SAID AUGER INTO SAID TROUGH, AND SECOND BAFFLE MEANS EXTENDING INWARDLY FROM SAID ONE SIDE OF SAID TROUGH AND DISPOSED BETWEEN SAID ONE SIDE
Claim 2
Dependent Claim
127 words
IN APPARATUS FOR DISTRIBUTING GRANULAR MATERIAL UPON THE GROUND, A MOBILE HOPPER, SAID HOPPER INCLUDING A LOWER TROUGH PORTION, A DISCHARGE OPENING IN ONE SIDE OF SAID TROUGH PORTION, AND DISPOSED ABOVE THE BOTTOM THEREOF, AUGER MEANS MOUNTED IN SAID TRROUGH FOR CONVEYING MATERIAL IN SAID TROUGH TO SAID DISCHARGE OPENING, FIRST BAFFLE MEANS OVERLYING SAID AUGER MEANS AND SHIELDING THE TOP PORTION THEREOF FROM MATERIAL IN SAID HOPPER, SAID FIRST BAFFLE MEANS COOPERATING WITH A WALL OF SAID HOPPER TO DEFINE A THROAT ADJACENT THE OTHER SIDE OF SAID TROUGH FOR FEEDING MATERIAL FROM SAID HOPPER GENERALLY DOWNWARDLY ALONG ONE SIDE OF SAID AUGER INTO SAID TROUGH, AND SECOND BAFFLE MEANS EXTENDING INWARDLY FROM SAID ONE SIDE OF SAID TROUGH AND DISPOSED BETWEEN SAID ONE SIDE
References Cited (Backward Citations)
US301898A
Cited
US1385254A
Cited
US1695692A
Cited
US2546702A
Cited
US2630247A
Cited
US2684788A
Cited
US2755002A
Cited
US2804998A
Cited
US2852166A
Cited
US2990186A
Cited
US3074727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |