Patent US3155293A successfully refreshed from Google Patents.
US3155293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spreader apparatus
Assignee: Individual
•
Filing: 1962-08-03
•
Granted: 1964-11-03
•
Expires: 1982-08-03
Abstract
No abstract record available.
Inventors
- 👤 Cotter Howard Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:36
CPC Classifications
A; A01; A01C; A01C15/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
IN A SPREADER APPARATUS INCLUDING A HOPPER PROVIDING AN OUTLET OPENING IN THE BOTTOM THEREOF AND A TUBULAR MEMBER EXTENDING DOWNWARDLY FROM SAID HOPPER OPENING, A GRAVITY FLOW DISTRIBUTOR MOUNTED BELOW SAID HOPPER, SAID GRAVITY FLOW DISTRIBUTOR COMPRISING A BOX HAVING A COVER AND A DOWNWARDLY AND REARWARDLY INCLINED BOTTOM WALL, SAID TUBULAR MEMBER EXTENDING THROUGH THE COVER OF SAID BOX AT A POSITION ABOVE AN UPPER PORTION OF SAID BOTTOM WALL IN OPEN COMMUNICATION WITH THE INTERIOR OF SAID BOX, SAID BOX ADJACENT THE LOWER END OF SAID BOTTOM WALL HAVING A PLURALITY OF OUTLET OPENINGS EXTENDING THEREACROSS, AND DISTRIBUTOR TUBES CONNECTED TO SAID BOX AND EXTENDING DOWNWARDLY FROM THE SAID OUTLET OPENINGS IN OPEN COMMUNICATION THEREWITH.
References Cited (Backward Citations)
US154842A
Cited
US488846A
Cited
US1066660A
Cited
US1634213A
Cited
US1157532A
Cited
US1220249A
Cited
US2962194A
Cited
US2959328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |