Patent US3135337A successfully refreshed from Google Patents.
US3135337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplex rotary rod weeder
Assignee: Individual
•
Filing: 1960-03-09
•
Granted: 1964-06-02
•
Expires: 1980-03-09
Abstract
No abstract record available.
Inventors
- 👤 Morris George Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:08
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/12; A01B39/18; A01B39/19; A01B61/00; A01B61/04; A01B61/044; A01B61/046; A01B73/00; A01B73/02; A01B73/06; A01B73/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A ROTARY ROD WEEDER MADE UP OF TWO SECTIONS EACH HAVING A FRAME AND WHEELS SUPPORTING THE FRAME, AND INCLUDING A GANGSHAFT IN EACH SECTION AND SHANKS MOUNTED ON THE GANGSHAFT, SAID SHANKS CARRYING SOIL WORKING ELEMENTS AND FURTHER INCLUDING A DRAFT BAR FOR EACH SECTION PIVOTED THERETO, A BRACKET FORWARDLY MOUNTED ON EACH SECTION, DETACHABLE MEANS ON THE BRACKETS ENGAGEABLE THE ONE WITH THE OTHER FOR CONNECTING THE SECTIONS FOR TRAVEL IN LINE ABREAST, A CRANK ARM PIVOTED ON EACH DRAFT BAR TO MOVE VERTICALLY, LINKS CONNECTING THE CRANK ARMS TO THE SECTION FRAMES FOR PIVOTING SAID FRAMES ON THE SUPPORTING WHEELS BY VERTICAL MOVEMENT OF THE CRANK ARMS, MEANS CONNECTING THE CRANK ARMS FOR MOVEMENT THEREOF IN A
Claim 2
Dependent Claim
121 words
IN A ROTARY ROD WEEDER MADE UP OF TWO SECTIONS EACH HAVING A FRAME AND WHEELS SUPPORTING THE FRAME, AND INCLUDING A GANGSHAFT IN EACH SECTION AND SHANKS MOUNTED ON THE GANGSHAFT, SAID SHANKS CARRYING SOIL WORKING ELEMENTS AND FURTHER INCLUDING A DRAFT BAR FOR EACH SECTION PIVOTED THERETO, A BRACKET FORWARDLY MOUNTED ON EACH SECTION, DETACHABLE MEANS ON THE BRACKETS ENGAGEABLE THE ONE WITH THE OTHER FOR CONNECTING THE SECTIONS FOR TRAVEL IN LINE ABREAST, A CRANK ARM PIVOTED ON EACH DRAFT BAR TO MOVE VERTICALLY, LINKS CONNECTING THE CRANK ARMS TO THE SECTION FRAMES FOR PIVOTING SAID FRAMES ON THE SUPPORTING WHEELS BY VERTICAL MOVEMENT OF THE CRANK ARMS, MEANS CONNECTING THE CRANK ARMS FOR MOVEMENT THEREOF IN A
References Cited (Backward Citations)
US1667764A
Cited
US2139200A
Cited
US2176541A
Cited
US2547479A
Cited
US2641886A
Cited
US2596270A
Cited
US2767631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |