Patent US3373705A successfully refreshed from Google Patents.
US3373705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planter
Assignee: Deere and Co
•
Filing: 1965-04-30
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Granted: 1968-03-19
•
Expires: 1985-04-30
Abstract
No abstract record available.
Inventors
- 👤 Harold V Hansen
- 👤 Virgil R Mccumber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:38
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/06; Y; Y10; Y10S; Y10S111/00; Y10S111/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A PLANTER COMPRISING A WHEELED FRAME, A SEED HOPPER MOUNTED ON THE FRAME, SAID HOPPER HAVING A PLURALITY OF SEED SELECTING MEANS, A PLURALITY OF FURROW OPENERS MOUNTED ON THE FRAME, MEANS INTERCONNECTING THE SEED SELECTING MEANS WITH THE FURROW OPENERS, SAID MEANS INCLUDING A PLURALITY OF IMPELLING TUBES, EACH OF SAID TUBES INCLUDING A FIRST PORTION THAT RECEIVES THE SEED FROM THE ASSOCIATED SEED SELECTING MEANS AND A SECOND PORTION THAT DISCHARGES THE SEED, MEANS LEADING AWAY FROM THE SECOND PORTION OF EACH IMPELLING TUBE TO THE ASSOCIATED OPENER, EACH IMPELLING TUBE BEING PROVIDED WITH PASSAGES IN ITS WALLS, SAID PASSAGES BEING DIRECTED INWARDLY TOWARDS THE SECOND PORTION, AND A SURGE CHAMBER CONNECTED TO A SOURCE OF FLUID PRESSURE, SAID IMPELLING TUBES BEING CARRIED BY THE SURGE CHAMBER WITH SAID PASSAGES BEING IN COMMUNICATION WITH SAID SURGE CHAMBER.
Claim 2
Dependent Claim
139 words
A PLANTER COMPRISING A WHEELED FRAME, A SEED HOPPER MOUNTED ON THE FRAME, SAID HOPPER HAVING A PLURALITY OF SEED SELECTING MEANS, A PLURALITY OF FURROW OPENERS MOUNTED ON THE FRAME, MEANS INTERCONNECTING THE SEED SELECTING MEANS WITH THE FURROW OPENERS, SAID MEANS INCLUDING A PLURALITY OF IMPELLING TUBES, EACH OF SAID TUBES INCLUDING A FIRST PORTION THAT RECEIVES THE SEED FROM THE ASSOCIATED SEED SELECTING MEANS AND A SECOND PORTION THAT DISCHARGES THE SEED, MEANS LEADING AWAY FROM THE SECOND PORTION OF EACH IMPELLING TUBE TO THE ASSOCIATED OPENER, EACH IMPELLING TUBE BEING PROVIDED WITH PASSAGES IN ITS WALLS, SAID PASSAGES BEING DIRECTED INWARDLY TOWARDS THE SECOND PORTION, AND A SURGE CHAMBER CONNECTED TO A SOURCE OF FLUID PRESSURE, SAID IMPELLING TUBES BEING CARRIED BY THE SURGE CHAMBER WITH SAID PASSAGES BEING IN COMMUNICATION WITH SAID SURGE CHAMBER.
References Cited (Backward Citations)
US934828A
Cited
GB191414346A
Cited
FR596790A
Cited
US1810671A
Cited
US2506658A
Cited
FR1284678A
Cited
US3133515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |